28451385

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2887}}^1$

素因数の和:2974

約数の個数: 32

約数和(自身を含む): 51290880

約数和(自身を除く): 22839495

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 2887, 3285, 8661, 9855, 14435, 25983, 43305, 77949, 129915, 210751, 389745, 632253, 1053755, 1896759, 3161265, 5690277, 9483795, 28451385]

約数ペア:

[(1, 28451385), (3, 9483795), (5, 5690277), (9, 3161265), (15, 1896759), (27, 1053755), (45, 632253), (73, 389745), (135, 210751), (219, 129915), (365, 77949), (657, 43305), (1095, 25983), (1971, 14435), (2887, 9855), (3285, 8661)]