1812375

素因数分解:

$3^4\times 5^3\times {\mathrm{179}}^1$

素因数の和:206

約数の個数: 40

約数和(自身を含む): 3397680

約数和(自身を除く): 1585305

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 179, 225, 375, 405, 537, 675, 895, 1125, 1611, 2025, 2685, 3375, 4475, 4833, 8055, 10125, 13425, 14499, 22375, 24165, 40275, 67125, 72495, 120825, 201375, 362475, 604125, 1812375]

約数ペア:

[(1, 1812375), (3, 604125), (5, 362475), (9, 201375), (15, 120825), (25, 72495), (27, 67125), (45, 40275), (75, 24165), (81, 22375), (125, 14499), (135, 13425), (179, 10125), (225, 8055), (375, 4833), (405, 4475), (537, 3375), (675, 2685), (895, 2025), (1125, 1611)]