138842403

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{74287}}^1$

素因数の和:74386

約数の個数: 16

約数和(自身を含む): 213949440

約数和(自身を除く): 75107037

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 74287, 222861, 520009, 1560027, 6611543, 19834629, 46280801, 138842403]

約数ペア:

[(1, 138842403), (3, 46280801), (7, 19834629), (21, 6611543), (89, 1560027), (267, 520009), (623, 222861), (1869, 74287)]