138792213

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 235737216

約数和(自身を除く): 96945003

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 197, 211, 371, 477, 591, 633, 1113, 1379, 1477, 1773, 1899, 3339, 4137, 4431, 10441, 11183, 12411, 13293, 31323, 33549, 41567, 73087, 78281, 93969, 100647, 124701, 219261, 234843, 290969, 374103, 657783, 704529, 872907, 2203051, 2618721, 6609153, 15421357, 19827459, 46264071, 138792213]

約数ペア:

[(1, 138792213), (3, 46264071), (7, 19827459), (9, 15421357), (21, 6609153), (53, 2618721), (63, 2203051), (159, 872907), (197, 704529), (211, 657783), (371, 374103), (477, 290969), (591, 234843), (633, 219261), (1113, 124701), (1379, 100647), (1477, 93969), (1773, 78281), (1899, 73087), (3339, 41567), (4137, 33549), (4431, 31323), (10441, 13293), (11183, 12411)]