61789815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 118525680

約数和(自身を除く): 56735865

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 59, 85, 111, 153, 177, 185, 255, 295, 333, 531, 555, 629, 765, 885, 1003, 1369, 1665, 1887, 2183, 2655, 3009, 3145, 4107, 5015, 5661, 6549, 6845, 9027, 9435, 10915, 12321, 15045, 19647, 20535, 23273, 28305, 32745, 37111, 45135, 61605, 69819, 80771, 98235, 111333, 116365, 185555, 209457, 242313, 333999, 349095, 403855, 556665, 726939, 1047285, 1211565, 1373107, 1669995, 3634695, 4119321, 6865535, 12357963, 20596605, 61789815]

約数ペア:

[(1, 61789815), (3, 20596605), (5, 12357963), (9, 6865535), (15, 4119321), (17, 3634695), (37, 1669995), (45, 1373107), (51, 1211565), (59, 1047285), (85, 726939), (111, 556665), (153, 403855), (177, 349095), (185, 333999), (255, 242313), (295, 209457), (333, 185555), (531, 116365), (555, 111333), (629, 98235), (765, 80771), (885, 69819), (1003, 61605), (1369, 45135), (1665, 37111), (1887, 32745), (2183, 28305), (2655, 23273), (3009, 20535), (3145, 19647), (4107, 15045), (5015, 12321), (5661, 10915), (6549, 9435), (6845, 9027)]