12651813

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 19059456

約数和(自身を除く): 6407643

約数列:

[1, 3, 9, 31, 93, 137, 279, 331, 411, 993, 1233, 2979, 4247, 10261, 12741, 30783, 38223, 45347, 92349, 136041, 408123, 1405757, 4217271, 12651813]

約数ペア:

[(1, 12651813), (3, 4217271), (9, 1405757), (31, 408123), (93, 136041), (137, 92349), (279, 45347), (331, 38223), (411, 30783), (993, 12741), (1233, 10261), (2979, 4247)]