287385

素因数分解:

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

素因数の和:62

約数の個数: 48

約数和(自身を含む): 590976

約数和(自身を除く): 303591

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 49, 51, 69, 85, 105, 115, 119, 147, 161, 245, 255, 345, 357, 391, 483, 595, 735, 805, 833, 1127, 1173, 1785, 1955, 2415, 2499, 2737, 3381, 4165, 5635, 5865, 8211, 12495, 13685, 16905, 19159, 41055, 57477, 95795, 287385]

約数ペア:

[(1, 287385), (3, 95795), (5, 57477), (7, 41055), (15, 19159), (17, 16905), (21, 13685), (23, 12495), (35, 8211), (49, 5865), (51, 5635), (69, 4165), (85, 3381), (105, 2737), (115, 2499), (119, 2415), (147, 1955), (161, 1785), (245, 1173), (255, 1127), (345, 833), (357, 805), (391, 735), (483, 595)]