218414559

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{383}}^1\times {\mathrm{1571}}^1$

素因数の和:1979

約数の個数: 24

約数和(自身を含む): 321140736

約数和(自身を除く): 102726177

約数列:

[1, 3, 11, 33, 121, 363, 383, 1149, 1571, 4213, 4713, 12639, 17281, 46343, 51843, 139029, 190091, 570273, 601693, 1805079, 6618623, 19855869, 72804853, 218414559]

約数ペア:

[(1, 218414559), (3, 72804853), (11, 19855869), (33, 6618623), (121, 1805079), (363, 601693), (383, 570273), (1149, 190091), (1571, 139029), (4213, 51843), (4713, 46343), (12639, 17281)]