71881509

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3461}}^1$

素因数の和:3537

約数の個数: 32

約数和(自身を含む): 116987904

約数和(自身を除く): 45106395

約数列:

[1, 3, 7, 21, 23, 43, 69, 129, 161, 301, 483, 903, 989, 2967, 3461, 6923, 10383, 20769, 24227, 72681, 79603, 148823, 238809, 446469, 557221, 1041761, 1671663, 3125283, 3422929, 10268787, 23960503, 71881509]

約数ペア:

[(1, 71881509), (3, 23960503), (7, 10268787), (21, 3422929), (23, 3125283), (43, 1671663), (69, 1041761), (129, 557221), (161, 446469), (301, 238809), (483, 148823), (903, 79603), (989, 72681), (2967, 24227), (3461, 20769), (6923, 10383)]