28055025

素因数分解:

$3^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 24173775

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 89, 135, 225, 267, 445, 467, 675, 801, 1335, 1401, 2225, 2335, 2403, 4005, 4203, 6675, 7005, 11675, 12015, 12609, 20025, 21015, 35025, 41563, 60075, 63045, 105075, 124689, 207815, 315225, 374067, 623445, 1039075, 1122201, 1870335, 3117225, 5611005, 9351675, 28055025]

約数ペア:

[(1, 28055025), (3, 9351675), (5, 5611005), (9, 3117225), (15, 1870335), (25, 1122201), (27, 1039075), (45, 623445), (75, 374067), (89, 315225), (135, 207815), (225, 124689), (267, 105075), (445, 63045), (467, 60075), (675, 41563), (801, 35025), (1335, 21015), (1401, 20025), (2225, 12609), (2335, 12015), (2403, 11675), (4005, 7005), (4203, 6675)]