664397955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{2039}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 1243045440

約数和(自身を除く): 578647485

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 557, 585, 1671, 2039, 2785, 5013, 6117, 7241, 8355, 10195, 18351, 21723, 25065, 26507, 30585, 36205, 65169, 79521, 91755, 108615, 132535, 238563, 325845, 397605, 1135723, 1192815, 3407169, 5678615, 10221507, 14764399, 17035845, 44293197, 51107535, 73821995, 132879591, 221465985, 664397955]

約数ペア:

[(1, 664397955), (3, 221465985), (5, 132879591), (9, 73821995), (13, 51107535), (15, 44293197), (39, 17035845), (45, 14764399), (65, 10221507), (117, 5678615), (195, 3407169), (557, 1192815), (585, 1135723), (1671, 397605), (2039, 325845), (2785, 238563), (5013, 132535), (6117, 108615), (7241, 91755), (8355, 79521), (10195, 65169), (18351, 36205), (21723, 30585), (25065, 26507)]