80831775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 142562304

約数和(自身を除く): 61730529

約数列:

[1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 141, 235, 345, 575, 705, 997, 1081, 1175, 1725, 2991, 3243, 3525, 4985, 5405, 14955, 16215, 22931, 24925, 27025, 46859, 68793, 74775, 81075, 114655, 140577, 234295, 343965, 573275, 702885, 1077757, 1171475, 1719825, 3233271, 3514425, 5388785, 16166355, 26943925, 80831775]

約数ペア:

[(1, 80831775), (3, 26943925), (5, 16166355), (15, 5388785), (23, 3514425), (25, 3233271), (47, 1719825), (69, 1171475), (75, 1077757), (115, 702885), (141, 573275), (235, 343965), (345, 234295), (575, 140577), (705, 114655), (997, 81075), (1081, 74775), (1175, 68793), (1725, 46859), (2991, 27025), (3243, 24925), (3525, 22931), (4985, 16215), (5405, 14955)]