213865905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{9461}}^1$

素因数の和:9617

約数の個数: 32

約数和(自身を含む): 376057728

約数和(自身を除く): 162191823

約数列:

[1, 3, 5, 11, 15, 33, 55, 137, 165, 411, 685, 1507, 2055, 4521, 7535, 9461, 22605, 28383, 47305, 104071, 141915, 312213, 520355, 1296157, 1561065, 3888471, 6480785, 14257727, 19442355, 42773181, 71288635, 213865905]

約数ペア:

[(1, 213865905), (3, 71288635), (5, 42773181), (11, 19442355), (15, 14257727), (33, 6480785), (55, 3888471), (137, 1561065), (165, 1296157), (411, 520355), (685, 312213), (1507, 141915), (2055, 104071), (4521, 47305), (7535, 28383), (9461, 22605)]