64839495

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4643}}^1$

素因数の和:4684

約数の個数: 48

約数和(自身を含む): 127059840

約数和(自身を除く): 62220345

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4643, 4655, 13929, 13965, 23215, 32501, 69645, 88217, 97503, 162505, 227507, 264651, 441085, 487515, 617519, 682521, 1137535, 1323255, 1852557, 3087595, 3412605, 4322633, 9262785, 12967899, 21613165, 64839495]

約数ペア:

[(1, 64839495), (3, 21613165), (5, 12967899), (7, 9262785), (15, 4322633), (19, 3412605), (21, 3087595), (35, 1852557), (49, 1323255), (57, 1137535), (95, 682521), (105, 617519), (133, 487515), (147, 441085), (245, 264651), (285, 227507), (399, 162505), (665, 97503), (735, 88217), (931, 69645), (1995, 32501), (2793, 23215), (4643, 13965), (4655, 13929)]