81439809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{811}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 126282240

約数和(自身を除く): 44842431

約数列:

[1, 3, 11, 17, 33, 51, 179, 187, 537, 561, 811, 1969, 2433, 3043, 5907, 8921, 9129, 13787, 26763, 33473, 41361, 100419, 145169, 151657, 435507, 454971, 1596859, 2467873, 4790577, 7403619, 27146603, 81439809]

約数ペア:

[(1, 81439809), (3, 27146603), (11, 7403619), (17, 4790577), (33, 2467873), (51, 1596859), (179, 454971), (187, 435507), (537, 151657), (561, 145169), (811, 100419), (1969, 41361), (2433, 33473), (3043, 26763), (5907, 13787), (8921, 9129)]