187899561

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{563}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 285880320

約数和(自身を除く): 97980759

約数列:

[1, 3, 9, 27, 47, 141, 263, 423, 563, 789, 1269, 1689, 2367, 5067, 7101, 12361, 15201, 26461, 37083, 79383, 111249, 148069, 238149, 333747, 444207, 714447, 1332621, 3997863, 6959243, 20877729, 62633187, 187899561]

約数ペア:

[(1, 187899561), (3, 62633187), (9, 20877729), (27, 6959243), (47, 3997863), (141, 1332621), (263, 714447), (423, 444207), (563, 333747), (789, 238149), (1269, 148069), (1689, 111249), (2367, 79383), (5067, 37083), (7101, 26461), (12361, 15201)]