681957585

素因数分解:

$3^2\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{7681}}^1$

素因数の和:9665

約数の個数: 24

約数和(自身を含む): 1182812904

約数和(自身を除く): 500855319

約数列:

[1, 3, 5, 9, 15, 45, 1973, 5919, 7681, 9865, 17757, 23043, 29595, 38405, 69129, 88785, 115215, 345645, 15154613, 45463839, 75773065, 136391517, 227319195, 681957585]

約数ペア:

[(1, 681957585), (3, 227319195), (5, 136391517), (9, 75773065), (15, 45463839), (45, 15154613), (1973, 345645), (5919, 115215), (7681, 88785), (9865, 69129), (17757, 38405), (23043, 29595)]