156728403

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{103043}}^1$

素因数の和:103075

約数の個数: 18

約数和(自身を含む): 245141676

約数和(自身を除く): 88413273

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 103043, 309129, 927387, 1339559, 4018677, 12056031, 17414267, 52242801, 156728403]

約数ペア:

[(1, 156728403), (3, 52242801), (9, 17414267), (13, 12056031), (39, 4018677), (117, 1339559), (169, 927387), (507, 309129), (1521, 103043)]