121171215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 215536608

約数和(自身を除く): 94365393

約数列:

[1, 3, 5, 11, 15, 33, 55, 101, 121, 165, 303, 363, 505, 605, 661, 1111, 1515, 1815, 1983, 3305, 3333, 5555, 7271, 9915, 12221, 16665, 21813, 36355, 36663, 61105, 66761, 79981, 109065, 183315, 200283, 239943, 333805, 399905, 734371, 1001415, 1199715, 2203113, 3671855, 8078081, 11015565, 24234243, 40390405, 121171215]

約数ペア:

[(1, 121171215), (3, 40390405), (5, 24234243), (11, 11015565), (15, 8078081), (33, 3671855), (55, 2203113), (101, 1199715), (121, 1001415), (165, 734371), (303, 399905), (363, 333805), (505, 239943), (605, 200283), (661, 183315), (1111, 109065), (1515, 79981), (1815, 66761), (1983, 61105), (3305, 36663), (3333, 36355), (5555, 21813), (7271, 16665), (9915, 12221)]