128895105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21977}}^1$

素因数の和:22025

約数の個数: 32

約数和(自身を含む): 227867904

約数和(自身を除く): 98972799

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 21977, 65931, 109885, 329655, 373609, 505471, 1120827, 1516413, 1868045, 2527355, 5604135, 7582065, 8593007, 25779021, 42965035, 128895105]

約数ペア:

[(1, 128895105), (3, 42965035), (5, 25779021), (15, 8593007), (17, 7582065), (23, 5604135), (51, 2527355), (69, 1868045), (85, 1516413), (115, 1120827), (255, 505471), (345, 373609), (391, 329655), (1173, 109885), (1955, 65931), (5865, 21977)]