138840267

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1\times {\mathrm{1571}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 187885440

約数和(自身を除く): 49045173

約数列:

[1, 3, 89, 267, 331, 993, 1571, 4713, 29459, 88377, 139819, 419457, 520001, 1560003, 46280089, 138840267]

約数ペア:

[(1, 138840267), (3, 46280089), (89, 1560003), (267, 520001), (331, 419457), (993, 139819), (1571, 88377), (4713, 29459)]