217623627

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2069}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 361670400

約数和(自身を除く): 144046773

約数列:

[1, 3, 9, 13, 29, 31, 39, 87, 93, 117, 261, 279, 377, 403, 899, 1131, 1209, 2069, 2697, 3393, 3627, 6207, 8091, 11687, 18621, 26897, 35061, 60001, 64139, 80691, 105183, 180003, 192417, 242073, 540009, 577251, 780013, 833807, 1860031, 2340039, 2501421, 5580093, 7020117, 7504263, 16740279, 24180403, 72541209, 217623627]

約数ペア:

[(1, 217623627), (3, 72541209), (9, 24180403), (13, 16740279), (29, 7504263), (31, 7020117), (39, 5580093), (87, 2501421), (93, 2340039), (117, 1860031), (261, 833807), (279, 780013), (377, 577251), (403, 540009), (899, 242073), (1131, 192417), (1209, 180003), (2069, 105183), (2697, 80691), (3393, 64139), (3627, 60001), (6207, 35061), (8091, 26897), (11687, 18621)]