13921875

素因数分解:

$3^4\times 5^6\times {\mathrm{11}}^1$

素因数の和:53

約数の個数: 70

約数和(自身を含む): 28359012

約数和(自身を除く): 14437137

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 125, 135, 165, 225, 275, 297, 375, 405, 495, 625, 675, 825, 891, 1125, 1375, 1485, 1875, 2025, 2475, 3125, 3375, 4125, 4455, 5625, 6875, 7425, 9375, 10125, 12375, 15625, 16875, 20625, 22275, 28125, 34375, 37125, 46875, 50625, 61875, 84375, 103125, 111375, 140625, 171875, 185625, 253125, 309375, 421875, 515625, 556875, 928125, 1265625, 1546875, 2784375, 4640625, 13921875]

約数ペア:

[(1, 13921875), (3, 4640625), (5, 2784375), (9, 1546875), (11, 1265625), (15, 928125), (25, 556875), (27, 515625), (33, 421875), (45, 309375), (55, 253125), (75, 185625), (81, 171875), (99, 140625), (125, 111375), (135, 103125), (165, 84375), (225, 61875), (275, 50625), (297, 46875), (375, 37125), (405, 34375), (495, 28125), (625, 22275), (675, 20625), (825, 16875), (891, 15625), (1125, 12375), (1375, 10125), (1485, 9375), (1875, 7425), (2025, 6875), (2475, 5625), (3125, 4455), (3375, 4125)]