64884375

素因数分解:

$3^3\times 5^5\times {\mathrm{769}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 120304800

約数和(自身を除く): 55420425

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 769, 1125, 1875, 2307, 3125, 3375, 3845, 5625, 6921, 9375, 11535, 16875, 19225, 20763, 28125, 34605, 57675, 84375, 96125, 103815, 173025, 288375, 480625, 519075, 865125, 1441875, 2403125, 2595375, 4325625, 7209375, 12976875, 21628125, 64884375]

約数ペア:

[(1, 64884375), (3, 21628125), (5, 12976875), (9, 7209375), (15, 4325625), (25, 2595375), (27, 2403125), (45, 1441875), (75, 865125), (125, 519075), (135, 480625), (225, 288375), (375, 173025), (625, 103815), (675, 96125), (769, 84375), (1125, 57675), (1875, 34605), (2307, 28125), (3125, 20763), (3375, 19225), (3845, 16875), (5625, 11535), (6921, 9375)]