6645555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 14176032

約数和(自身を除く): 7530477

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 73, 85, 105, 119, 153, 219, 255, 289, 315, 357, 365, 511, 595, 657, 765, 867, 1071, 1095, 1241, 1445, 1533, 1785, 2023, 2555, 2601, 3285, 3723, 4335, 4599, 5355, 6069, 6205, 7665, 8687, 10115, 11169, 13005, 18207, 18615, 21097, 22995, 26061, 30345, 43435, 55845, 63291, 78183, 91035, 105485, 130305, 147679, 189873, 316455, 390915, 443037, 738395, 949365, 1329111, 2215185, 6645555]

約数ペア:

[(1, 6645555), (3, 2215185), (5, 1329111), (7, 949365), (9, 738395), (15, 443037), (17, 390915), (21, 316455), (35, 189873), (45, 147679), (51, 130305), (63, 105485), (73, 91035), (85, 78183), (105, 63291), (119, 55845), (153, 43435), (219, 30345), (255, 26061), (289, 22995), (315, 21097), (357, 18615), (365, 18207), (511, 13005), (595, 11169), (657, 10115), (765, 8687), (867, 7665), (1071, 6205), (1095, 6069), (1241, 5355), (1445, 4599), (1533, 4335), (1785, 3723), (2023, 3285), (2555, 2601)]