128371635

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{45281}}^1$

素因数の和:45305

約数の個数: 40

約数和(自身を含む): 262997856

約数和(自身を除く): 134626221

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 45281, 135843, 226405, 316967, 407529, 679215, 950901, 1222587, 1584835, 2037645, 2852703, 3667761, 4754505, 6112935, 8558109, 14263515, 18338805, 25674327, 42790545, 128371635]

約数ペア:

[(1, 128371635), (3, 42790545), (5, 25674327), (7, 18338805), (9, 14263515), (15, 8558109), (21, 6112935), (27, 4754505), (35, 3667761), (45, 2852703), (63, 2037645), (81, 1584835), (105, 1222587), (135, 950901), (189, 679215), (315, 407529), (405, 316967), (567, 226405), (945, 135843), (2835, 45281)]