156658173

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1973}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 252672000

約数和(自身を除く): 96013827

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 399, 597, 1393, 1973, 3781, 4179, 5919, 11343, 13811, 26467, 37487, 41433, 79401, 112461, 262409, 392627, 787227, 1177881, 2748389, 7459913, 8245167, 22379739, 52219391, 156658173]

約数ペア:

[(1, 156658173), (3, 52219391), (7, 22379739), (19, 8245167), (21, 7459913), (57, 2748389), (133, 1177881), (199, 787227), (399, 392627), (597, 262409), (1393, 112461), (1973, 79401), (3781, 41433), (4179, 37487), (5919, 26467), (11343, 13811)]