28380375

素因数分解:

$3^4\times 5^3\times {\mathrm{2803}}^1$

素因数の和:2830

約数の個数: 40

約数和(自身を含む): 52928304

約数和(自身を除く): 24547929

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 2803, 3375, 8409, 10125, 14015, 25227, 42045, 70075, 75681, 126135, 210225, 227043, 350375, 378405, 630675, 1051125, 1135215, 1892025, 3153375, 5676075, 9460125, 28380375]

約数ペア:

[(1, 28380375), (3, 9460125), (5, 5676075), (9, 3153375), (15, 1892025), (25, 1135215), (27, 1051125), (45, 630675), (75, 378405), (81, 350375), (125, 227043), (135, 210225), (225, 126135), (375, 75681), (405, 70075), (675, 42045), (1125, 25227), (2025, 14015), (2803, 10125), (3375, 8409)]