138897558

素因数分解:

$2^1\times 3^3\times {\mathrm{521}}^1\times {\mathrm{4937}}^1$

素因数の和:5469

約数の個数: 32

約数和(自身を含む): 309316320

約数和(自身を除く): 170418762

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 521, 1042, 1563, 3126, 4689, 4937, 9378, 9874, 14067, 14811, 28134, 29622, 44433, 88866, 133299, 266598, 2572177, 5144354, 7716531, 15433062, 23149593, 46299186, 69448779, 138897558]

約数ペア:

[(1, 138897558), (2, 69448779), (3, 46299186), (6, 23149593), (9, 15433062), (18, 7716531), (27, 5144354), (54, 2572177), (521, 266598), (1042, 133299), (1563, 88866), (3126, 44433), (4689, 29622), (4937, 28134), (9378, 14811), (9874, 14067)]