64693575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 125574800

約数和(自身を除く): 60881225

約数列:

[1, 3, 5, 9, 15, 19, 25, 37, 45, 57, 75, 95, 111, 171, 185, 225, 285, 333, 409, 475, 555, 703, 855, 925, 1227, 1425, 1665, 2045, 2109, 2775, 3515, 3681, 4275, 6135, 6327, 7771, 8325, 10225, 10545, 15133, 17575, 18405, 23313, 30675, 31635, 38855, 45399, 52725, 69939, 75665, 92025, 116565, 136197, 158175, 194275, 226995, 287527, 349695, 378325, 582825, 680985, 862581, 1134975, 1437635, 1748475, 2587743, 3404925, 4312905, 7188175, 12938715, 21564525, 64693575]

約数ペア:

[(1, 64693575), (3, 21564525), (5, 12938715), (9, 7188175), (15, 4312905), (19, 3404925), (25, 2587743), (37, 1748475), (45, 1437635), (57, 1134975), (75, 862581), (95, 680985), (111, 582825), (171, 378325), (185, 349695), (225, 287527), (285, 226995), (333, 194275), (409, 158175), (475, 136197), (555, 116565), (703, 92025), (855, 75665), (925, 69939), (1227, 52725), (1425, 45399), (1665, 38855), (2045, 31635), (2109, 30675), (2775, 23313), (3515, 18405), (3681, 17575), (4275, 15133), (6135, 10545), (6327, 10225), (7771, 8325)]