52398213

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 81948672

約数和(自身を除く): 29550459

約数列:

[1, 3, 7, 21, 71, 113, 213, 311, 339, 497, 791, 933, 1491, 2177, 2373, 6531, 8023, 22081, 24069, 35143, 56161, 66243, 105429, 154567, 168483, 246001, 463701, 738003, 2495153, 7485459, 17466071, 52398213]

約数ペア:

[(1, 52398213), (3, 17466071), (7, 7485459), (21, 2495153), (71, 738003), (113, 463701), (213, 246001), (311, 168483), (339, 154567), (497, 105429), (791, 66243), (933, 56161), (1491, 35143), (2177, 24069), (2373, 22081), (6531, 8023)]