18071001

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{109}}^2$

素因数の和:250

約数の個数: 27

約数和(自身を含む): 28526589

約数和(自身を除く): 10455588

約数列:

[1, 3, 9, 13, 39, 109, 117, 169, 327, 507, 981, 1417, 1521, 4251, 11881, 12753, 18421, 35643, 55263, 106929, 154453, 165789, 463359, 1390077, 2007889, 6023667, 18071001]

約数ペア:

[(1, 18071001), (3, 6023667), (9, 2007889), (13, 1390077), (39, 463359), (109, 165789), (117, 154453), (169, 106929), (327, 55263), (507, 35643), (981, 18421), (1417, 12753), (1521, 11881)]