82051221

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 128176128

約数和(自身を除く): 46124907

約数列:

[1, 3, 7, 21, 71, 113, 213, 339, 487, 497, 791, 1461, 1491, 2373, 3409, 8023, 10227, 24069, 34577, 55031, 56161, 103731, 165093, 168483, 242039, 385217, 726117, 1155651, 3907201, 11721603, 27350407, 82051221]

約数ペア:

[(1, 82051221), (3, 27350407), (7, 11721603), (21, 3907201), (71, 1155651), (113, 726117), (213, 385217), (339, 242039), (487, 168483), (497, 165093), (791, 103731), (1461, 56161), (1491, 55031), (2373, 34577), (3409, 24069), (8023, 10227)]