12218355

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 22239360

約数和(自身を除く): 10021005

約数列:

[1, 3, 5, 9, 15, 45, 47, 53, 109, 141, 159, 235, 265, 327, 423, 477, 545, 705, 795, 981, 1635, 2115, 2385, 2491, 4905, 5123, 5777, 7473, 12455, 15369, 17331, 22419, 25615, 28885, 37365, 46107, 51993, 76845, 86655, 112095, 230535, 259965, 271519, 814557, 1357595, 2443671, 4072785, 12218355]

約数ペア:

[(1, 12218355), (3, 4072785), (5, 2443671), (9, 1357595), (15, 814557), (45, 271519), (47, 259965), (53, 230535), (109, 112095), (141, 86655), (159, 76845), (235, 51993), (265, 46107), (327, 37365), (423, 28885), (477, 25615), (545, 22419), (705, 17331), (795, 15369), (981, 12455), (1635, 7473), (2115, 5777), (2385, 5123), (2491, 4905)]