30917731

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 6337949

約数列:

[1, 13, 19, 41, 43, 71, 247, 533, 559, 779, 817, 923, 1349, 1763, 2911, 3053, 10127, 10621, 17537, 22919, 33497, 37843, 39689, 55309, 58007, 125173, 435461, 719017, 754091, 1627249, 2378287, 30917731]

約数ペア:

[(1, 30917731), (13, 2378287), (19, 1627249), (41, 754091), (43, 719017), (71, 435461), (247, 125173), (533, 58007), (559, 55309), (779, 39689), (817, 37843), (923, 33497), (1349, 22919), (1763, 17537), (2911, 10621), (3053, 10127)]