28012845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{619}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 51425280

約数和(自身を除く): 23412435

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 431, 619, 1293, 1857, 2155, 3017, 3095, 4333, 6465, 9051, 9285, 12999, 15085, 21665, 45255, 64995, 266789, 800367, 1333945, 1867523, 4001835, 5602569, 9337615, 28012845]

約数ペア:

[(1, 28012845), (3, 9337615), (5, 5602569), (7, 4001835), (15, 1867523), (21, 1333945), (35, 800367), (105, 266789), (431, 64995), (619, 45255), (1293, 21665), (1857, 15085), (2155, 12999), (3017, 9285), (3095, 9051), (4333, 6465)]