211769571

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1657}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 317540160

約数和(自身を除く): 105770589

約数列:

[1, 3, 13, 29, 39, 87, 113, 339, 377, 1131, 1469, 1657, 3277, 4407, 4971, 9831, 21541, 42601, 48053, 64623, 127803, 144159, 187241, 561723, 624689, 1874067, 2434133, 5429989, 7302399, 16289967, 70589857, 211769571]

約数ペア:

[(1, 211769571), (3, 70589857), (13, 16289967), (29, 7302399), (39, 5429989), (87, 2434133), (113, 1874067), (339, 624689), (377, 561723), (1131, 187241), (1469, 144159), (1657, 127803), (3277, 64623), (4407, 48053), (4971, 42601), (9831, 21541)]