31282407

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 49616424

約数和(自身を除く): 18334017

約数列:

[1, 3, 9, 13, 39, 117, 131, 157, 169, 393, 471, 507, 1179, 1413, 1521, 1703, 2041, 5109, 6123, 15327, 18369, 20567, 22139, 26533, 61701, 66417, 79599, 185103, 199251, 238797, 267371, 802113, 2406339, 3475823, 10427469, 31282407]

約数ペア:

[(1, 31282407), (3, 10427469), (9, 3475823), (13, 2406339), (39, 802113), (117, 267371), (131, 238797), (157, 199251), (169, 185103), (393, 79599), (471, 66417), (507, 61701), (1179, 26533), (1413, 22139), (1521, 20567), (1703, 18369), (2041, 15327), (5109, 6123)]