15661323993

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{715031}}^1$

素因数の和:715197

約数の個数: 24

約数和(自身を含む): 24454094400

約数和(自身を除く): 8792770407

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 1043, 3129, 7301, 21903, 715031, 2145093, 5005217, 15015651, 35036519, 105109557, 106539619, 319618857, 745777333, 2237331999, 5220441331, 15661323993]

約数ペア:

[(1, 15661323993), (3, 5220441331), (7, 2237331999), (21, 745777333), (49, 319618857), (147, 106539619), (149, 105109557), (447, 35036519), (1043, 15015651), (3129, 5005217), (7301, 2145093), (21903, 715031)]