210683835

素因数分解:

$3^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{787}}^1$

素因数の和:1465

約数の個数: 40

約数和(自身を含む): 378722256

約数和(自身を除く): 168038421

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 661, 787, 1983, 2361, 3305, 3935, 5949, 7083, 9915, 11805, 17847, 21249, 29745, 35415, 53541, 63747, 89235, 106245, 267705, 318735, 520207, 1560621, 2601035, 4681863, 7803105, 14045589, 23409315, 42136767, 70227945, 210683835]

約数ペア:

[(1, 210683835), (3, 70227945), (5, 42136767), (9, 23409315), (15, 14045589), (27, 7803105), (45, 4681863), (81, 2601035), (135, 1560621), (405, 520207), (661, 318735), (787, 267705), (1983, 106245), (2361, 89235), (3305, 63747), (3935, 53541), (5949, 35415), (7083, 29745), (9915, 21249), (11805, 17847)]