427202223

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{1811}}^1$

素因数の和:2107

約数の個数: 32

約数和(自身を含む): 667975680

約数和(自身を除く): 240773457

約数列:

[1, 3, 7, 21, 47, 141, 239, 329, 717, 987, 1673, 1811, 5019, 5433, 11233, 12677, 33699, 38031, 78631, 85117, 235893, 255351, 432829, 595819, 1298487, 1787457, 3029803, 9089409, 20342963, 61028889, 142400741, 427202223]

約数ペア:

[(1, 427202223), (3, 142400741), (7, 61028889), (21, 20342963), (47, 9089409), (141, 3029803), (239, 1787457), (329, 1298487), (717, 595819), (987, 432829), (1673, 255351), (1811, 235893), (5019, 85117), (5433, 78631), (11233, 38031), (12677, 33699)]