12928245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 24131520

約数和(自身を除く): 11203275

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 255, 363, 419, 561, 605, 935, 1257, 1815, 2057, 2095, 2805, 4609, 6171, 6285, 7123, 10285, 13827, 21369, 23045, 30855, 35615, 50699, 69135, 78353, 106845, 152097, 235059, 253495, 391765, 760485, 861883, 1175295, 2585649, 4309415, 12928245]

約数ペア:

[(1, 12928245), (3, 4309415), (5, 2585649), (11, 1175295), (15, 861883), (17, 760485), (33, 391765), (51, 253495), (55, 235059), (85, 152097), (121, 106845), (165, 78353), (187, 69135), (255, 50699), (363, 35615), (419, 30855), (561, 23045), (605, 21369), (935, 13827), (1257, 10285), (1815, 7123), (2057, 6285), (2095, 6171), (2805, 4609)]