947391471

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47353}}^1$

素因数の和:47397

約数の個数: 40

約数和(自身を含む): 1604353520

約数和(自身を除く): 656962049

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 6669, 20007, 47353, 142059, 426177, 615589, 899707, 1278531, 1846767, 2699121, 3835593, 5540301, 8097363, 11696191, 16620903, 24292089, 35088573, 49862709, 72876267, 105265719, 315797157, 947391471]

約数ペア:

[(1, 947391471), (3, 315797157), (9, 105265719), (13, 72876267), (19, 49862709), (27, 35088573), (39, 24292089), (57, 16620903), (81, 11696191), (117, 8097363), (171, 5540301), (247, 3835593), (351, 2699121), (513, 1846767), (741, 1278531), (1053, 899707), (1539, 615589), (2223, 426177), (6669, 142059), (20007, 47353)]