64078305

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 104926080

約数和(自身を除く): 40847775

約数列:

[1, 3, 5, 15, 73, 139, 219, 365, 417, 421, 695, 1095, 1263, 2085, 2105, 6315, 10147, 30441, 30733, 50735, 58519, 92199, 152205, 153665, 175557, 292595, 460995, 877785, 4271887, 12815661, 21359435, 64078305]

約数ペア:

[(1, 64078305), (3, 21359435), (5, 12815661), (15, 4271887), (73, 877785), (139, 460995), (219, 292595), (365, 175557), (417, 153665), (421, 152205), (695, 92199), (1095, 58519), (1263, 50735), (2085, 30733), (2105, 30441), (6315, 10147)]