28309875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{6863}}^1$

素因数の和:6892

約数の個数: 32

約数和(自身を含む): 51397632

約数和(自身を除く): 23087757

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 6863, 20589, 34315, 75493, 102945, 171575, 226479, 377465, 514725, 857875, 1132395, 1887325, 2573625, 5661975, 9436625, 28309875]

約数ペア:

[(1, 28309875), (3, 9436625), (5, 5661975), (11, 2573625), (15, 1887325), (25, 1132395), (33, 857875), (55, 514725), (75, 377465), (125, 226479), (165, 171575), (275, 102945), (375, 75493), (825, 34315), (1375, 20589), (4125, 6863)]