211946865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{8297}}^1$

素因数の和:8449

約数の個数: 32

約数和(自身を含む): 368032896

約数和(自身を除く): 156086031

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1703, 1965, 5109, 8297, 8515, 24891, 25545, 41485, 107861, 124455, 323583, 539305, 1086907, 1617915, 3260721, 5434535, 14129791, 16303605, 42389373, 70648955, 211946865]

約数ペア:

[(1, 211946865), (3, 70648955), (5, 42389373), (13, 16303605), (15, 14129791), (39, 5434535), (65, 3260721), (131, 1617915), (195, 1086907), (393, 539305), (655, 323583), (1703, 124455), (1965, 107861), (5109, 41485), (8297, 25545), (8515, 24891)]