81736123

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 100776960

約数和(自身を除く): 19040837

約数列:

[1, 7, 29, 53, 71, 107, 203, 371, 497, 749, 1537, 2059, 3103, 3763, 5671, 7597, 10759, 14413, 21721, 26341, 39697, 53179, 109127, 164459, 220313, 402641, 763889, 1151213, 1542191, 2818487, 11676589, 81736123]

約数ペア:

[(1, 81736123), (7, 11676589), (29, 2818487), (53, 1542191), (71, 1151213), (107, 763889), (203, 402641), (371, 220313), (497, 164459), (749, 109127), (1537, 53179), (2059, 39697), (3103, 26341), (3763, 21721), (5671, 14413), (7597, 10759)]