31221129

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9137}}^1$

素因数の和:9224

約数の個数: 16

約数和(自身を含む): 44739648

約数和(自身を除く): 13518519

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 9137, 27411, 155329, 465987, 612179, 1836537, 10407043, 31221129]

約数ペア:

[(1, 31221129), (3, 10407043), (17, 1836537), (51, 612179), (67, 465987), (201, 155329), (1139, 27411), (3417, 9137)]