31600401

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2731}}^1$

素因数の和:2789

約数の個数: 32

約数和(自身を含む): 52454400

約数和(自身を除く): 20853999

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 2731, 3857, 8193, 11571, 19117, 51889, 57351, 79199, 155667, 237597, 363223, 554393, 1089669, 1504781, 1663179, 4514343, 10533467, 31600401]

約数ペア:

[(1, 31600401), (3, 10533467), (7, 4514343), (19, 1663179), (21, 1504781), (29, 1089669), (57, 554393), (87, 363223), (133, 237597), (203, 155667), (399, 79199), (551, 57351), (609, 51889), (1653, 19117), (2731, 11571), (3857, 8193)]