72205851

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 34238949

約数列:

[1, 3, 17, 31, 51, 93, 109, 327, 419, 527, 1257, 1581, 1853, 3379, 5559, 7123, 10137, 12989, 21369, 38967, 45671, 57443, 137013, 172329, 220813, 662439, 776407, 1415801, 2329221, 4247403, 24068617, 72205851]

約数ペア:

[(1, 72205851), (3, 24068617), (17, 4247403), (31, 2329221), (51, 1415801), (93, 776407), (109, 662439), (327, 220813), (419, 172329), (527, 137013), (1257, 57443), (1581, 45671), (1853, 38967), (3379, 21369), (5559, 12989), (7123, 10137)]