239488521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 342451200

約数和(自身を除く): 102962679

約数列:

[1, 3, 19, 57, 139, 167, 181, 417, 501, 543, 2641, 3173, 3439, 7923, 9519, 10317, 23213, 25159, 30227, 69639, 75477, 90681, 441047, 478021, 574313, 1323141, 1434063, 1722939, 4201553, 12604659, 79829507, 239488521]

約数ペア:

[(1, 239488521), (3, 79829507), (19, 12604659), (57, 4201553), (139, 1722939), (167, 1434063), (181, 1323141), (417, 574313), (501, 478021), (543, 441047), (2641, 90681), (3173, 75477), (3439, 69639), (7923, 30227), (9519, 25159), (10317, 23213)]