81117018

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 190218240

約数和(自身を除く): 109101222

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 47, 54, 62, 93, 94, 141, 186, 279, 282, 423, 558, 837, 846, 1031, 1269, 1457, 1674, 2062, 2538, 2914, 3093, 4371, 6186, 8742, 9279, 13113, 18558, 26226, 27837, 31961, 39339, 48457, 55674, 63922, 78678, 95883, 96914, 145371, 191766, 287649, 290742, 436113, 575298, 862947, 872226, 1308339, 1502167, 1725894, 2616678, 3004334, 4506501, 9013002, 13519503, 27039006, 40558509, 81117018]

約数ペア:

[(1, 81117018), (2, 40558509), (3, 27039006), (6, 13519503), (9, 9013002), (18, 4506501), (27, 3004334), (31, 2616678), (47, 1725894), (54, 1502167), (62, 1308339), (93, 872226), (94, 862947), (141, 575298), (186, 436113), (279, 290742), (282, 287649), (423, 191766), (558, 145371), (837, 96914), (846, 95883), (1031, 78678), (1269, 63922), (1457, 55674), (1674, 48457), (2062, 39339), (2538, 31961), (2914, 27837), (3093, 26226), (4371, 18558), (6186, 13113), (8742, 9279)]