81753969

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2389}}^1$

素因数の和:2481

約数の個数: 32

約数和(自身を含む): 128027520

約数和(自身を除く): 46273551

約数列:

[1, 3, 11, 17, 33, 51, 61, 183, 187, 561, 671, 1037, 2013, 2389, 3111, 7167, 11407, 26279, 34221, 40613, 78837, 121839, 145729, 437187, 446743, 1340229, 1603019, 2477393, 4809057, 7432179, 27251323, 81753969]

約数ペア:

[(1, 81753969), (3, 27251323), (11, 7432179), (17, 4809057), (33, 2477393), (51, 1603019), (61, 1340229), (183, 446743), (187, 437187), (561, 145729), (671, 121839), (1037, 78837), (2013, 40613), (2389, 34221), (3111, 26279), (7167, 11407)]