8721285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 14929920

約数和(自身を除く): 6208635

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 431, 1065, 1293, 1349, 2155, 4047, 6465, 6745, 8189, 20235, 24567, 30601, 40945, 91803, 122835, 153005, 459015, 581419, 1744257, 2907095, 8721285]

約数ペア:

[(1, 8721285), (3, 2907095), (5, 1744257), (15, 581419), (19, 459015), (57, 153005), (71, 122835), (95, 91803), (213, 40945), (285, 30601), (355, 24567), (431, 20235), (1065, 8189), (1293, 6745), (1349, 6465), (2155, 4047)]