81370332

素因数分解:

$2^2\times 3^4\times {\mathrm{251143}}^1$

素因数の和:251159

約数の個数: 30

約数和(自身を含む): 212718968

約数和(自身を除く): 131348636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 251143, 502286, 753429, 1004572, 1506858, 2260287, 3013716, 4520574, 6780861, 9041148, 13561722, 20342583, 27123444, 40685166, 81370332]

約数ペア:

[(1, 81370332), (2, 40685166), (3, 27123444), (4, 20342583), (6, 13561722), (9, 9041148), (12, 6780861), (18, 4520574), (27, 3013716), (36, 2260287), (54, 1506858), (81, 1004572), (108, 753429), (162, 502286), (324, 251143)]