87981354

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1601}}^1$

素因数の和:1723

約数の個数: 48

約数和(自身を含む): 197930304

約数和(自身を除く): 109948950

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 258, 387, 426, 639, 774, 1278, 1601, 3053, 3202, 4803, 6106, 9159, 9606, 14409, 18318, 27477, 28818, 54954, 68843, 113671, 137686, 206529, 227342, 341013, 413058, 619587, 682026, 1023039, 1239174, 2046078, 4887853, 9775706, 14663559, 29327118, 43990677, 87981354]

約数ペア:

[(1, 87981354), (2, 43990677), (3, 29327118), (6, 14663559), (9, 9775706), (18, 4887853), (43, 2046078), (71, 1239174), (86, 1023039), (129, 682026), (142, 619587), (213, 413058), (258, 341013), (387, 227342), (426, 206529), (639, 137686), (774, 113671), (1278, 68843), (1601, 54954), (3053, 28818), (3202, 27477), (4803, 18318), (6106, 14409), (9159, 9606)]