215566611

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{673}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 318861312

約数和(自身を除く): 103294701

約数列:

[1, 3, 13, 39, 43, 129, 191, 559, 573, 673, 1677, 2019, 2483, 7449, 8213, 8749, 24639, 26247, 28939, 86817, 106769, 128543, 320307, 376207, 385629, 1128621, 1671059, 5013177, 5527349, 16582047, 71855537, 215566611]

約数ペア:

[(1, 215566611), (3, 71855537), (13, 16582047), (39, 5527349), (43, 5013177), (129, 1671059), (191, 1128621), (559, 385629), (573, 376207), (673, 320307), (1677, 128543), (2019, 106769), (2483, 86817), (7449, 28939), (8213, 26247), (8749, 24639)]