129175319

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 36

約数和(自身を含む): 171485640

約数和(自身を除く): 42310321

約数列:

[1, 7, 13, 19, 49, 91, 133, 169, 247, 637, 821, 931, 1183, 1729, 3211, 5747, 8281, 10673, 12103, 15599, 22477, 40229, 74711, 109193, 138749, 157339, 202787, 522977, 764351, 971243, 1419509, 2636231, 6798701, 9936563, 18453617, 129175319]

約数ペア:

[(1, 129175319), (7, 18453617), (13, 9936563), (19, 6798701), (49, 2636231), (91, 1419509), (133, 971243), (169, 764351), (247, 522977), (637, 202787), (821, 157339), (931, 138749), (1183, 109193), (1729, 74711), (3211, 40229), (5747, 22477), (8281, 15599), (10673, 12103)]