28015875

素因数分解:

$3^4\times 5^3\times {\mathrm{2767}}^1$

素因数の和:2794

約数の個数: 40

約数和(自身を含む): 52248768

約数和(自身を除く): 24232893

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 2767, 3375, 8301, 10125, 13835, 24903, 41505, 69175, 74709, 124515, 207525, 224127, 345875, 373545, 622575, 1037625, 1120635, 1867725, 3112875, 5603175, 9338625, 28015875]

約数ペア:

[(1, 28015875), (3, 9338625), (5, 5603175), (9, 3112875), (15, 1867725), (25, 1120635), (27, 1037625), (45, 622575), (75, 373545), (81, 345875), (125, 224127), (135, 207525), (225, 124515), (375, 74709), (405, 69175), (675, 41505), (1125, 24903), (2025, 13835), (2767, 10125), (3375, 8301)]