28147575

素因数分解:

$3^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1427}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 46747008

約数和(自身を除く): 18599433

約数列:

[1, 3, 5, 15, 25, 75, 263, 789, 1315, 1427, 3945, 4281, 6575, 7135, 19725, 21405, 35675, 107025, 375301, 1125903, 1876505, 5629515, 9382525, 28147575]

約数ペア:

[(1, 28147575), (3, 9382525), (5, 5629515), (15, 1876505), (25, 1125903), (75, 375301), (263, 107025), (789, 35675), (1315, 21405), (1427, 19725), (3945, 7135), (4281, 6575)]