27960135

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 52668000

約数和(自身を除く): 24707865

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 109, 147, 245, 327, 349, 545, 735, 763, 1047, 1635, 1745, 2289, 2443, 3815, 5235, 5341, 7329, 11445, 12215, 16023, 17101, 26705, 36645, 38041, 51303, 80115, 85505, 114123, 190205, 256515, 266287, 570615, 798861, 1331435, 1864009, 3994305, 5592027, 9320045, 27960135]

約数ペア:

[(1, 27960135), (3, 9320045), (5, 5592027), (7, 3994305), (15, 1864009), (21, 1331435), (35, 798861), (49, 570615), (105, 266287), (109, 256515), (147, 190205), (245, 114123), (327, 85505), (349, 80115), (545, 51303), (735, 38041), (763, 36645), (1047, 26705), (1635, 17101), (1745, 16023), (2289, 12215), (2443, 11445), (3815, 7329), (5235, 5341)]