31553535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1571}}^1$

素因数の和:1695

約数の個数: 32

約数和(自身を含む): 54931968

約数和(自身を除く): 23378433

約数列:

[1, 3, 5, 13, 15, 39, 65, 103, 195, 309, 515, 1339, 1545, 1571, 4017, 4713, 6695, 7855, 20085, 20423, 23565, 61269, 102115, 161813, 306345, 485439, 809065, 2103569, 2427195, 6310707, 10517845, 31553535]

約数ペア:

[(1, 31553535), (3, 10517845), (5, 6310707), (13, 2427195), (15, 2103569), (39, 809065), (65, 485439), (103, 306345), (195, 161813), (309, 102115), (515, 61269), (1339, 23565), (1545, 20423), (1571, 20085), (4017, 7855), (4713, 6695)]