13213473

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1669}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 22444800

約数和(自身を除く): 9231327

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 1669, 2639, 5007, 7917, 11683, 21697, 35049, 48401, 65091, 145203, 151879, 338807, 455637, 629213, 1016421, 1887639, 4404491, 13213473]

約数ペア:

[(1, 13213473), (3, 4404491), (7, 1887639), (13, 1016421), (21, 629213), (29, 455637), (39, 338807), (87, 151879), (91, 145203), (203, 65091), (273, 48401), (377, 35049), (609, 21697), (1131, 11683), (1669, 7917), (2639, 5007)]