28065135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1951}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 51720192

約数和(自身を除く): 23655057

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 411, 685, 959, 1951, 2055, 2877, 4795, 5853, 9755, 13657, 14385, 29265, 40971, 68285, 204855, 267287, 801861, 1336435, 1871009, 4009305, 5613027, 9355045, 28065135]

約数ペア:

[(1, 28065135), (3, 9355045), (5, 5613027), (7, 4009305), (15, 1871009), (21, 1336435), (35, 801861), (105, 267287), (137, 204855), (411, 68285), (685, 40971), (959, 29265), (1951, 14385), (2055, 13657), (2877, 9755), (4795, 5853)]