7648431

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 12710400

約数和(自身を除く): 5061969

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 661, 1653, 1983, 3857, 4627, 11571, 12559, 13881, 19169, 37677, 57507, 87913, 134183, 263739, 364211, 402549, 1092633, 2549477, 7648431]

約数ペア:

[(1, 7648431), (3, 2549477), (7, 1092633), (19, 402549), (21, 364211), (29, 263739), (57, 134183), (87, 87913), (133, 57507), (203, 37677), (399, 19169), (551, 13881), (609, 12559), (661, 11571), (1653, 4627), (1983, 3857)]