131861631

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 199489536

約数和(自身を除く): 67627905

約数列:

[1, 3, 11, 31, 33, 93, 157, 341, 471, 821, 1023, 1727, 2463, 4867, 5181, 9031, 14601, 25451, 27093, 53537, 76353, 128897, 160611, 279961, 386691, 839883, 1417867, 3995807, 4253601, 11987421, 43953877, 131861631]

約数ペア:

[(1, 131861631), (3, 43953877), (11, 11987421), (31, 4253601), (33, 3995807), (93, 1417867), (157, 839883), (341, 386691), (471, 279961), (821, 160611), (1023, 128897), (1727, 76353), (2463, 53537), (4867, 27093), (5181, 25451), (9031, 14601)]