210815703

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12821}}^1$

素因数の和:12869

約数の個数: 40

約数和(自身を含む): 372350880

約数和(自身を除く): 161535177

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 5481, 12821, 16443, 38463, 89747, 115389, 269241, 346167, 371809, 807723, 1038501, 1115427, 2423169, 2602663, 3346281, 7269507, 7807989, 10038843, 23423967, 30116529, 70271901, 210815703]

約数ペア:

[(1, 210815703), (3, 70271901), (7, 30116529), (9, 23423967), (21, 10038843), (27, 7807989), (29, 7269507), (63, 3346281), (81, 2602663), (87, 2423169), (189, 1115427), (203, 1038501), (261, 807723), (567, 371809), (609, 346167), (783, 269241), (1827, 115389), (2349, 89747), (5481, 38463), (12821, 16443)]