17957901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 26869248

約数和(自身を除く): 8911347

約数列:

[1, 3, 13, 39, 47, 97, 101, 141, 291, 303, 611, 1261, 1313, 1833, 3783, 3939, 4559, 4747, 9797, 13677, 14241, 29391, 59267, 61711, 127361, 177801, 185133, 382083, 460459, 1381377, 5985967, 17957901]

約数ペア:

[(1, 17957901), (3, 5985967), (13, 1381377), (39, 460459), (47, 382083), (97, 185133), (101, 177801), (141, 127361), (291, 61711), (303, 59267), (611, 29391), (1261, 14241), (1313, 13677), (1833, 9797), (3783, 4747), (3939, 4559)]