321805827

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 543029760

約数和(自身を除く): 221223933

約数列:

[1, 3, 7, 9, 21, 63, 73, 167, 219, 419, 501, 511, 657, 1169, 1257, 1503, 1533, 2933, 3507, 3771, 4599, 8799, 10521, 12191, 26397, 30587, 36573, 69973, 85337, 91761, 109719, 209919, 214109, 256011, 275283, 489811, 629757, 642327, 768033, 1469433, 1926981, 4408299, 5108029, 15324087, 35756203, 45972261, 107268609, 321805827]

約数ペア:

[(1, 321805827), (3, 107268609), (7, 45972261), (9, 35756203), (21, 15324087), (63, 5108029), (73, 4408299), (167, 1926981), (219, 1469433), (419, 768033), (501, 642327), (511, 629757), (657, 489811), (1169, 275283), (1257, 256011), (1503, 214109), (1533, 209919), (2933, 109719), (3507, 91761), (3771, 85337), (4599, 69973), (8799, 36573), (10521, 30587), (12191, 26397)]