81903318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{21911}}^1$

素因数の和:22012

約数の個数: 32

約数和(自身を含む): 189319680

約数和(自身を除く): 107416362

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 21911, 43822, 65733, 131466, 153377, 306754, 460131, 920262, 1950079, 3900158, 5850237, 11700474, 13650553, 27301106, 40951659, 81903318]

約数ペア:

[(1, 81903318), (2, 40951659), (3, 27301106), (6, 13650553), (7, 11700474), (14, 5850237), (21, 3900158), (42, 1950079), (89, 920262), (178, 460131), (267, 306754), (534, 153377), (623, 131466), (1246, 65733), (1869, 43822), (3738, 21911)]