31899735

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 72985536

約数和(自身を除く): 41085801

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 23, 35, 37, 45, 49, 51, 63, 69, 85, 105, 111, 115, 119, 147, 153, 161, 185, 207, 245, 255, 259, 315, 333, 345, 357, 391, 441, 483, 555, 595, 629, 735, 765, 777, 805, 833, 851, 1035, 1071, 1127, 1173, 1295, 1449, 1665, 1785, 1813, 1887, 1955, 2205, 2331, 2415, 2499, 2553, 2737, 3145, 3381, 3519, 3885, 4165, 4255, 4403, 5355, 5439, 5635, 5661, 5865, 5957, 7245, 7497, 7659, 8211, 9065, 9435, 10143, 11655, 12495, 12765, 13209, 13685, 14467, 16317, 16905, 17595, 17871, 19159, 22015, 24633, 27195, 28305, 29785, 30821, 37485, 38295, 39627, 41055, 41699, 43401, 50715, 53613, 57477, 66045, 72335, 81585, 89355, 92463, 95795, 101269, 123165, 125097, 130203, 154105, 172431, 198135, 208495, 217005, 268065, 277389, 287385, 303807, 375291, 462315, 506345, 625485, 651015, 708883, 862155, 911421, 1386945, 1519035, 1876455, 2126649, 3544415, 4557105, 6379947, 10633245, 31899735]

約数ペア:

[(1, 31899735), (3, 10633245), (5, 6379947), (7, 4557105), (9, 3544415), (15, 2126649), (17, 1876455), (21, 1519035), (23, 1386945), (35, 911421), (37, 862155), (45, 708883), (49, 651015), (51, 625485), (63, 506345), (69, 462315), (85, 375291), (105, 303807), (111, 287385), (115, 277389), (119, 268065), (147, 217005), (153, 208495), (161, 198135), (185, 172431), (207, 154105), (245, 130203), (255, 125097), (259, 123165), (315, 101269), (333, 95795), (345, 92463), (357, 89355), (391, 81585), (441, 72335), (483, 66045), (555, 57477), (595, 53613), (629, 50715), (735, 43401), (765, 41699), (777, 41055), (805, 39627), (833, 38295), (851, 37485), (1035, 30821), (1071, 29785), (1127, 28305), (1173, 27195), (1295, 24633), (1449, 22015), (1665, 19159), (1785, 17871), (1813, 17595), (1887, 16905), (1955, 16317), (2205, 14467), (2331, 13685), (2415, 13209), (2499, 12765), (2553, 12495), (2737, 11655), (3145, 10143), (3381, 9435), (3519, 9065), (3885, 8211), (4165, 7659), (4255, 7497), (4403, 7245), (5355, 5957), (5439, 5865), (5635, 5661)]