219960069

素因数分解:

$3^1\times 7^3\times {\mathrm{181}}^1\times {\mathrm{1181}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 344198400

約数和(自身を除く): 124238331

約数列:

[1, 3, 7, 21, 49, 147, 181, 343, 543, 1029, 1181, 1267, 3543, 3801, 8267, 8869, 24801, 26607, 57869, 62083, 173607, 186249, 213761, 405083, 641283, 1215249, 1496327, 4488981, 10474289, 31422867, 73320023, 219960069]

約数ペア:

[(1, 219960069), (3, 73320023), (7, 31422867), (21, 10474289), (49, 4488981), (147, 1496327), (181, 1215249), (343, 641283), (543, 405083), (1029, 213761), (1181, 186249), (1267, 173607), (3543, 62083), (3801, 57869), (8267, 26607), (8869, 24801)]