66571875

素因数分解:

$3^4\times 5^5\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 60

約数和(自身を含む): 124773264

約数和(自身を除く): 58201389

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 263, 375, 405, 625, 675, 789, 1125, 1315, 1875, 2025, 2367, 3125, 3375, 3945, 5625, 6575, 7101, 9375, 10125, 11835, 16875, 19725, 21303, 28125, 32875, 35505, 50625, 59175, 84375, 98625, 106515, 164375, 177525, 253125, 295875, 493125, 532575, 821875, 887625, 1479375, 2465625, 2662875, 4438125, 7396875, 13314375, 22190625, 66571875]

約数ペア:

[(1, 66571875), (3, 22190625), (5, 13314375), (9, 7396875), (15, 4438125), (25, 2662875), (27, 2465625), (45, 1479375), (75, 887625), (81, 821875), (125, 532575), (135, 493125), (225, 295875), (263, 253125), (375, 177525), (405, 164375), (625, 106515), (675, 98625), (789, 84375), (1125, 59175), (1315, 50625), (1875, 35505), (2025, 32875), (2367, 28125), (3125, 21303), (3375, 19725), (3945, 16875), (5625, 11835), (6575, 10125), (7101, 9375)]