13620145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2081}}^1$

素因数の和:2121

約数の個数: 32

約数和(自身を含む): 21586176

約数和(自身を除く): 7966031

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 2081, 6545, 10405, 14567, 22891, 35377, 72835, 114455, 160237, 176885, 247639, 389147, 801185, 1238195, 1945735, 2724029, 13620145]

約数ペア:

[(1, 13620145), (5, 2724029), (7, 1945735), (11, 1238195), (17, 801185), (35, 389147), (55, 247639), (77, 176885), (85, 160237), (119, 114455), (187, 72835), (385, 35377), (595, 22891), (935, 14567), (1309, 10405), (2081, 6545)]