28402515

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3449}}^1$

素因数の和:3524

約数の個数: 32

約数和(自身を含む): 51336000

約数和(自身を除く): 22933485

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 3449, 8235, 10347, 17245, 31041, 51735, 93123, 155205, 210389, 465615, 631167, 1051945, 1893501, 3155835, 5680503, 9467505, 28402515]

約数ペア:

[(1, 28402515), (3, 9467505), (5, 5680503), (9, 3155835), (15, 1893501), (27, 1051945), (45, 631167), (61, 465615), (135, 210389), (183, 155205), (305, 93123), (549, 51735), (915, 31041), (1647, 17245), (2745, 10347), (3449, 8235)]