64701075

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 111930336

約数和(自身を除く): 47229261

約数列:

[1, 3, 5, 15, 25, 41, 53, 75, 123, 159, 205, 265, 397, 615, 795, 1025, 1191, 1325, 1985, 2173, 3075, 3975, 5955, 6519, 9925, 10865, 16277, 21041, 29775, 32595, 48831, 54325, 63123, 81385, 105205, 162975, 244155, 315615, 406925, 526025, 862681, 1220775, 1578075, 2588043, 4313405, 12940215, 21567025, 64701075]

約数ペア:

[(1, 64701075), (3, 21567025), (5, 12940215), (15, 4313405), (25, 2588043), (41, 1578075), (53, 1220775), (75, 862681), (123, 526025), (159, 406925), (205, 315615), (265, 244155), (397, 162975), (615, 105205), (795, 81385), (1025, 63123), (1191, 54325), (1325, 48831), (1985, 32595), (2173, 29775), (3075, 21041), (3975, 16277), (5955, 10865), (6519, 9925)]