28145985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8647}}^1$

素因数の和:8693

約数の個数: 32

約数和(自身を含む): 53133312

約数和(自身を除く): 24987327

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 8647, 25941, 43235, 60529, 129705, 181587, 268057, 302645, 804171, 907935, 1340285, 1876399, 4020855, 5629197, 9381995, 28145985]

約数ペア:

[(1, 28145985), (3, 9381995), (5, 5629197), (7, 4020855), (15, 1876399), (21, 1340285), (31, 907935), (35, 804171), (93, 302645), (105, 268057), (155, 181587), (217, 129705), (465, 60529), (651, 43235), (1085, 25941), (3255, 8647)]