221349315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 403522560

約数和(自身を除く): 182173245

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 167, 277, 319, 435, 501, 831, 835, 957, 1385, 1595, 1837, 2505, 3047, 4155, 4785, 4843, 5511, 8033, 9141, 9185, 14529, 15235, 24099, 24215, 27555, 40165, 45705, 46259, 53273, 72645, 88363, 120495, 138777, 159819, 231295, 265089, 266365, 441815, 508849, 693885, 799095, 1325445, 1341511, 1526547, 2544245, 4024533, 6707555, 7632735, 14756621, 20122665, 44269863, 73783105, 221349315]

約数ペア:

[(1, 221349315), (3, 73783105), (5, 44269863), (11, 20122665), (15, 14756621), (29, 7632735), (33, 6707555), (55, 4024533), (87, 2544245), (145, 1526547), (165, 1341511), (167, 1325445), (277, 799095), (319, 693885), (435, 508849), (501, 441815), (831, 266365), (835, 265089), (957, 231295), (1385, 159819), (1595, 138777), (1837, 120495), (2505, 88363), (3047, 72645), (4155, 53273), (4785, 46259), (4843, 45705), (5511, 40165), (8033, 27555), (9141, 24215), (9185, 24099), (14529, 15235)]