4128255

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 7207200

約数和(自身を除く): 3078945

約数列:

[1, 3, 5, 9, 15, 45, 199, 461, 597, 995, 1383, 1791, 2305, 2985, 4149, 6915, 8955, 20745, 91739, 275217, 458695, 825651, 1376085, 4128255]

約数ペア:

[(1, 4128255), (3, 1376085), (5, 825651), (9, 458695), (15, 275217), (45, 91739), (199, 20745), (461, 8955), (597, 6915), (995, 4149), (1383, 2985), (1791, 2305)]