27571555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 37859328

約数和(自身を除く): 10287773

約数列:

[1, 5, 11, 31, 55, 103, 155, 157, 341, 515, 785, 1133, 1705, 1727, 3193, 4867, 5665, 8635, 15965, 16171, 24335, 35123, 53537, 80855, 175615, 177881, 267685, 501301, 889405, 2506505, 5514311, 27571555]

約数ペア:

[(1, 27571555), (5, 5514311), (11, 2506505), (31, 889405), (55, 501301), (103, 267685), (155, 177881), (157, 175615), (341, 80855), (515, 53537), (785, 35123), (1133, 24335), (1705, 16171), (1727, 15965), (3193, 8635), (4867, 5665)]