15202051221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{521923}}^1$

素因数の和:522025

約数の個数: 32

約数和(自身を含む): 24718320640

約数和(自身を除く): 9516269419

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 4161, 9709, 29127, 521923, 1565769, 3653461, 9916537, 10960383, 29749611, 38100379, 69415759, 114301137, 208247277, 266702653, 723907201, 800107959, 2171721603, 5067350407, 15202051221]

約数ペア:

[(1, 15202051221), (3, 5067350407), (7, 2171721603), (19, 800107959), (21, 723907201), (57, 266702653), (73, 208247277), (133, 114301137), (219, 69415759), (399, 38100379), (511, 29749611), (1387, 10960383), (1533, 9916537), (4161, 3653461), (9709, 1565769), (29127, 521923)]