31599711

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 54966912

約数和(自身を除く): 23367201

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 143, 387, 429, 473, 559, 571, 1287, 1419, 1677, 1713, 4257, 5031, 5139, 6149, 6281, 7423, 18447, 18843, 22269, 24553, 55341, 56529, 66807, 73659, 81653, 220977, 244959, 270083, 319189, 734877, 810249, 957567, 2430747, 2872701, 3511079, 10533237, 31599711]

約数ペア:

[(1, 31599711), (3, 10533237), (9, 3511079), (11, 2872701), (13, 2430747), (33, 957567), (39, 810249), (43, 734877), (99, 319189), (117, 270083), (129, 244959), (143, 220977), (387, 81653), (429, 73659), (473, 66807), (559, 56529), (571, 55341), (1287, 24553), (1419, 22269), (1677, 18843), (1713, 18447), (4257, 7423), (5031, 6281), (5139, 6149)]