204755915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{727}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 303313920

約数和(自身を除く): 98558005

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 619, 727, 3095, 3635, 4333, 5089, 8047, 9451, 21665, 25445, 40235, 47255, 56329, 66157, 281645, 330785, 450013, 2250065, 3150091, 5850169, 15750455, 29250845, 40951183, 204755915]

約数ペア:

[(1, 204755915), (5, 40951183), (7, 29250845), (13, 15750455), (35, 5850169), (65, 3150091), (91, 2250065), (455, 450013), (619, 330785), (727, 281645), (3095, 66157), (3635, 56329), (4333, 47255), (5089, 40235), (8047, 25445), (9451, 21665)]