51398739

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1801}}^1$

素因数の和:1968

約数の個数: 32

約数和(自身を含む): 87649280

約数和(自身を除く): 36250541

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 1057, 1359, 1801, 3171, 4077, 5403, 9513, 12607, 16209, 28539, 37821, 48627, 113463, 271951, 340389, 815853, 1903657, 2447559, 5710971, 7342677, 17132913, 51398739]

約数ペア:

[(1, 51398739), (3, 17132913), (7, 7342677), (9, 5710971), (21, 2447559), (27, 1903657), (63, 815853), (151, 340389), (189, 271951), (453, 113463), (1057, 48627), (1359, 37821), (1801, 28539), (3171, 16209), (4077, 12607), (5403, 9513)]