81122115

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 139574016

約数和(自身を除く): 58451901

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 211, 213, 285, 355, 361, 633, 1055, 1065, 1083, 1349, 1805, 3165, 4009, 4047, 5415, 6745, 12027, 14981, 20045, 20235, 25631, 44943, 60135, 74905, 76171, 76893, 128155, 224715, 228513, 284639, 380855, 384465, 853917, 1142565, 1423195, 4269585, 5408141, 16224423, 27040705, 81122115]

約数ペア:

[(1, 81122115), (3, 27040705), (5, 16224423), (15, 5408141), (19, 4269585), (57, 1423195), (71, 1142565), (95, 853917), (211, 384465), (213, 380855), (285, 284639), (355, 228513), (361, 224715), (633, 128155), (1055, 76893), (1065, 76171), (1083, 74905), (1349, 60135), (1805, 44943), (3165, 25631), (4009, 20235), (4047, 20045), (5415, 14981), (6745, 12027)]