1221445393

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{3167}}^1$

素因数の和:3661

約数の個数: 24

約数和(自身を含む): 1508170752

約数和(自身を除く): 286725359

約数列:

[1, 7, 17, 49, 119, 463, 833, 3167, 3241, 7871, 22169, 22687, 53839, 55097, 155183, 376873, 385679, 1466321, 2638111, 10264247, 24927457, 71849729, 174492199, 1221445393]

約数ペア:

[(1, 1221445393), (7, 174492199), (17, 71849729), (49, 24927457), (119, 10264247), (463, 2638111), (833, 1466321), (3167, 385679), (3241, 376873), (7871, 155183), (22169, 55097), (22687, 53839)]