827973355

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 1225881216

約数和(自身を除く): 397907861

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 121, 187, 209, 223, 323, 361, 605, 935, 1045, 1115, 1615, 1805, 2057, 2299, 2453, 3553, 3791, 3971, 4237, 6137, 10285, 11495, 12265, 17765, 18955, 19855, 21185, 26983, 30685, 39083, 41701, 43681, 46607, 67507, 72029, 80503, 134915, 195415, 208505, 218405, 233035, 337535, 360145, 402515, 458711, 512677, 742577, 792319, 885533, 1368551, 2293555, 2563385, 3712885, 3961595, 4427665, 6842755, 8715509, 9740863, 15054061, 43577545, 48704315, 75270305, 165594671, 827973355]

約数ペア:

[(1, 827973355), (5, 165594671), (11, 75270305), (17, 48704315), (19, 43577545), (55, 15054061), (85, 9740863), (95, 8715509), (121, 6842755), (187, 4427665), (209, 3961595), (223, 3712885), (323, 2563385), (361, 2293555), (605, 1368551), (935, 885533), (1045, 792319), (1115, 742577), (1615, 512677), (1805, 458711), (2057, 402515), (2299, 360145), (2453, 337535), (3553, 233035), (3791, 218405), (3971, 208505), (4237, 195415), (6137, 134915), (10285, 80503), (11495, 72029), (12265, 67507), (17765, 46607), (18955, 43681), (19855, 41701), (21185, 39083), (26983, 30685)]