81107406

素因数分解:

$2^1\times 3^4\times {\mathrm{179}}^1\times {\mathrm{2797}}^1$

素因数の和:2990

約数の個数: 40

約数和(自身を含む): 182821320

約数和(自身を除く): 101713914

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 179, 358, 537, 1074, 1611, 2797, 3222, 4833, 5594, 8391, 9666, 14499, 16782, 25173, 28998, 50346, 75519, 151038, 226557, 453114, 500663, 1001326, 1501989, 3003978, 4505967, 9011934, 13517901, 27035802, 40553703, 81107406]

約数ペア:

[(1, 81107406), (2, 40553703), (3, 27035802), (6, 13517901), (9, 9011934), (18, 4505967), (27, 3003978), (54, 1501989), (81, 1001326), (162, 500663), (179, 453114), (358, 226557), (537, 151038), (1074, 75519), (1611, 50346), (2797, 28998), (3222, 25173), (4833, 16782), (5594, 14499), (8391, 9666)]