78879375

素因数分解:

$3^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:442

約数の個数: 60

約数和(自身を含む): 146609320

約数和(自身を除く): 67729945

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 125, 185, 225, 333, 375, 379, 555, 625, 925, 1125, 1137, 1665, 1875, 1895, 2775, 3411, 4625, 5625, 5685, 8325, 9475, 13875, 14023, 17055, 23125, 28425, 41625, 42069, 47375, 69375, 70115, 85275, 126207, 142125, 208125, 210345, 236875, 350575, 426375, 631035, 710625, 1051725, 1752875, 2131875, 3155175, 5258625, 8764375, 15775875, 26293125, 78879375]

約数ペア:

[(1, 78879375), (3, 26293125), (5, 15775875), (9, 8764375), (15, 5258625), (25, 3155175), (37, 2131875), (45, 1752875), (75, 1051725), (111, 710625), (125, 631035), (185, 426375), (225, 350575), (333, 236875), (375, 210345), (379, 208125), (555, 142125), (625, 126207), (925, 85275), (1125, 70115), (1137, 69375), (1665, 47375), (1875, 42069), (1895, 41625), (2775, 28425), (3411, 23125), (4625, 17055), (5625, 14023), (5685, 13875), (8325, 9475)]