28503705

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 20018535

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 971, 1545, 1957, 2913, 4855, 5871, 9785, 14565, 18449, 29355, 55347, 92245, 100013, 276735, 300039, 500065, 1500195, 1900247, 5700741, 9501235, 28503705]

約数ペア:

[(1, 28503705), (3, 9501235), (5, 5700741), (15, 1900247), (19, 1500195), (57, 500065), (95, 300039), (103, 276735), (285, 100013), (309, 92245), (515, 55347), (971, 29355), (1545, 18449), (1957, 14565), (2913, 9785), (4855, 5871)]