31302843

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 49496832

約数和(自身を除く): 18193989

約数列:

[1, 3, 11, 13, 33, 39, 131, 143, 393, 429, 557, 1441, 1671, 1703, 4323, 5109, 6127, 7241, 18381, 18733, 21723, 56199, 72967, 79651, 218901, 238953, 802637, 948571, 2407911, 2845713, 10434281, 31302843]

約数ペア:

[(1, 31302843), (3, 10434281), (11, 2845713), (13, 2407911), (33, 948571), (39, 802637), (131, 238953), (143, 218901), (393, 79651), (429, 72967), (557, 56199), (1441, 21723), (1671, 18733), (1703, 18381), (4323, 7241), (5109, 6127)]