13380237

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:514

約数の個数: 36

約数和(自身を含む): 22077120

約数和(自身を除く): 8696883

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 463, 507, 741, 1389, 1521, 2223, 3211, 4167, 6019, 8797, 9633, 18057, 26391, 28899, 54171, 78247, 79173, 114361, 234741, 343083, 704223, 1029249, 1486693, 4460079, 13380237]

約数ペア:

[(1, 13380237), (3, 4460079), (9, 1486693), (13, 1029249), (19, 704223), (39, 343083), (57, 234741), (117, 114361), (169, 79173), (171, 78247), (247, 54171), (463, 28899), (507, 26391), (741, 18057), (1389, 9633), (1521, 8797), (2223, 6019), (3211, 4167)]