201320201655

素因数分解:

$3^3\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{949243}}^1$

素因数の和:950828

約数の個数: 32

約数和(自身を含む): 358130776320

約数和(自身を除く): 156810574665

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1571, 4713, 7855, 14139, 23565, 42417, 70695, 212085, 949243, 2847729, 4746215, 8543187, 14238645, 25629561, 42715935, 128147805, 1491260753, 4473782259, 7456303765, 13421346777, 22368911295, 40264040331, 67106733885, 201320201655]

約数ペア:

[(1, 201320201655), (3, 67106733885), (5, 40264040331), (9, 22368911295), (15, 13421346777), (27, 7456303765), (45, 4473782259), (135, 1491260753), (1571, 128147805), (4713, 42715935), (7855, 25629561), (14139, 14238645), (23565, 8543187), (42417, 4746215), (70695, 2847729), (212085, 949243)]