12040215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1759

約数の個数: 32

約数和(自身を含む): 21517056

約数和(自身を除く): 9476841

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 1697, 2365, 5091, 7095, 8485, 18667, 25455, 56001, 72971, 93335, 218913, 280005, 364855, 802681, 1094565, 2408043, 4013405, 12040215]

約数ペア:

[(1, 12040215), (3, 4013405), (5, 2408043), (11, 1094565), (15, 802681), (33, 364855), (43, 280005), (55, 218913), (129, 93335), (165, 72971), (215, 56001), (473, 25455), (645, 18667), (1419, 8485), (1697, 7095), (2365, 5091)]