202479165

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{642791}}^1$

素因数の和:642809

約数の個数: 24

約数和(自身を含む): 401102208

約数和(自身を除く): 198623043

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 642791, 1928373, 3213955, 4499537, 5785119, 9641865, 13498611, 22497685, 28925595, 40495833, 67493055, 202479165]

約数ペア:

[(1, 202479165), (3, 67493055), (5, 40495833), (7, 28925595), (9, 22497685), (15, 13498611), (21, 9641865), (35, 5785119), (45, 4499537), (63, 3213955), (105, 1928373), (315, 642791)]