64661331

素因数分解:

$3^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 40

約数和(自身を含む): 103256064

約数和(自身を除く): 38594733

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 191, 329, 343, 573, 987, 1029, 1337, 2303, 2401, 4011, 6909, 7203, 8977, 9359, 16121, 26931, 28077, 48363, 62839, 65513, 112847, 188517, 196539, 338541, 439873, 458591, 1319619, 1375773, 3079111, 9237333, 21553777, 64661331]

約数ペア:

[(1, 64661331), (3, 21553777), (7, 9237333), (21, 3079111), (47, 1375773), (49, 1319619), (141, 458591), (147, 439873), (191, 338541), (329, 196539), (343, 188517), (573, 112847), (987, 65513), (1029, 62839), (1337, 48363), (2303, 28077), (2401, 26931), (4011, 16121), (6909, 9359), (7203, 8977)]