78568725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 137134080

約数和(自身を除く): 58565355

約数列:

[1, 3, 5, 15, 25, 31, 47, 75, 93, 141, 155, 235, 465, 705, 719, 775, 1175, 1457, 2157, 2325, 3525, 3595, 4371, 7285, 10785, 17975, 21855, 22289, 33793, 36425, 53925, 66867, 101379, 109275, 111445, 168965, 334335, 506895, 557225, 844825, 1047583, 1671675, 2534475, 3142749, 5237915, 15713745, 26189575, 78568725]

約数ペア:

[(1, 78568725), (3, 26189575), (5, 15713745), (15, 5237915), (25, 3142749), (31, 2534475), (47, 1671675), (75, 1047583), (93, 844825), (141, 557225), (155, 506895), (235, 334335), (465, 168965), (705, 111445), (719, 109275), (775, 101379), (1175, 66867), (1457, 53925), (2157, 36425), (2325, 33793), (3525, 22289), (3595, 21855), (4371, 17975), (7285, 10785)]