664431327

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{20639}}^1$

素因数の和:20732

約数の個数: 36

約数和(自身を含む): 1131773760

約数和(自身を除く): 467342433

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 219, 441, 511, 657, 1533, 3577, 4599, 10731, 20639, 32193, 61917, 144473, 185751, 433419, 1011311, 1300257, 1506647, 3033933, 4519941, 9101799, 10546529, 13559823, 31639587, 73825703, 94918761, 221477109, 664431327]

約数ペア:

[(1, 664431327), (3, 221477109), (7, 94918761), (9, 73825703), (21, 31639587), (49, 13559823), (63, 10546529), (73, 9101799), (147, 4519941), (219, 3033933), (441, 1506647), (511, 1300257), (657, 1011311), (1533, 433419), (3577, 185751), (4599, 144473), (10731, 61917), (20639, 32193)]