71164251

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 56

約数和(自身を含む): 114161664

約数和(自身を除く): 42997413

約数列:

[1, 3, 9, 27, 31, 47, 67, 81, 93, 141, 201, 243, 279, 423, 603, 729, 837, 1269, 1457, 1809, 2077, 2511, 3149, 3807, 4371, 5427, 6231, 7533, 9447, 11421, 13113, 16281, 18693, 22599, 28341, 34263, 39339, 48843, 56079, 85023, 97619, 118017, 168237, 255069, 292857, 354051, 504711, 765207, 878571, 1062153, 1514133, 2295621, 2635713, 7907139, 23721417, 71164251]

約数ペア:

[(1, 71164251), (3, 23721417), (9, 7907139), (27, 2635713), (31, 2295621), (47, 1514133), (67, 1062153), (81, 878571), (93, 765207), (141, 504711), (201, 354051), (243, 292857), (279, 255069), (423, 168237), (603, 118017), (729, 97619), (837, 85023), (1269, 56079), (1457, 48843), (1809, 39339), (2077, 34263), (2511, 28341), (3149, 22599), (3807, 18693), (4371, 16281), (5427, 13113), (6231, 11421), (7533, 9447)]