127581805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 174988800

約数和(自身を除く): 47406995

約数列:

[1, 5, 13, 23, 61, 65, 115, 299, 305, 793, 1399, 1403, 1495, 3965, 6995, 7015, 18187, 18239, 32177, 85339, 90935, 91195, 160885, 418301, 426695, 1109407, 1962797, 2091505, 5547035, 9813985, 25516361, 127581805]

約数ペア:

[(1, 127581805), (5, 25516361), (13, 9813985), (23, 5547035), (61, 2091505), (65, 1962797), (115, 1109407), (299, 426695), (305, 418301), (793, 160885), (1399, 91195), (1403, 90935), (1495, 85339), (3965, 32177), (6995, 18239), (7015, 18187)]