216383871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{2131}}^1$

素因数の和:2343

約数の個数: 32

約数和(自身を含む): 335252736

約数和(自身を除く): 118868865

約数列:

[1, 3, 11, 17, 33, 51, 181, 187, 543, 561, 1991, 2131, 3077, 5973, 6393, 9231, 23441, 33847, 36227, 70323, 101541, 108681, 385711, 398497, 1157133, 1195491, 4242821, 6557087, 12728463, 19671261, 72127957, 216383871]

約数ペア:

[(1, 216383871), (3, 72127957), (11, 19671261), (17, 12728463), (33, 6557087), (51, 4242821), (181, 1195491), (187, 1157133), (543, 398497), (561, 385711), (1991, 108681), (2131, 101541), (3077, 70323), (5973, 36227), (6393, 33847), (9231, 23441)]