31289463

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 48600000

約数和(自身を除く): 17310537

約数列:

[1, 3, 9, 27, 29, 87, 89, 261, 267, 449, 783, 801, 1347, 2403, 2581, 4041, 7743, 12123, 13021, 23229, 39063, 39961, 69687, 117189, 119883, 351567, 359649, 1078947, 1158869, 3476607, 10429821, 31289463]

約数ペア:

[(1, 31289463), (3, 10429821), (9, 3476607), (27, 1158869), (29, 1078947), (87, 359649), (89, 351567), (261, 119883), (267, 117189), (449, 69687), (783, 39961), (801, 39063), (1347, 23229), (2403, 13021), (2581, 12123), (4041, 7743)]