16661631

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 9949569

約数列:

[1, 3, 7, 21, 29, 87, 109, 203, 251, 327, 609, 753, 763, 1757, 2289, 3161, 5271, 7279, 9483, 21837, 22127, 27359, 50953, 66381, 82077, 152859, 191513, 574539, 793411, 2380233, 5553877, 16661631]

約数ペア:

[(1, 16661631), (3, 5553877), (7, 2380233), (21, 793411), (29, 574539), (87, 191513), (109, 152859), (203, 82077), (251, 66381), (327, 50953), (609, 27359), (753, 22127), (763, 21837), (1757, 9483), (2289, 7279), (3161, 5271)]