81087915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9811}}^1$

素因数の和:9867

約数の個数: 32

約数和(自身を含む): 141292800

約数和(自身を除く): 60204885

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2755, 8265, 9811, 29433, 49055, 147165, 186409, 284519, 559227, 853557, 932045, 1422595, 2796135, 4267785, 5405861, 16217583, 27029305, 81087915]

約数ペア:

[(1, 81087915), (3, 27029305), (5, 16217583), (15, 5405861), (19, 4267785), (29, 2796135), (57, 1422595), (87, 932045), (95, 853557), (145, 559227), (285, 284519), (435, 186409), (551, 147165), (1653, 49055), (2755, 29433), (8265, 9811)]