12581985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 21909888

約数和(自身を除く): 9327903

約数列:

[1, 3, 5, 13, 15, 39, 65, 113, 195, 339, 565, 571, 1469, 1695, 1713, 2855, 4407, 7345, 7423, 8565, 22035, 22269, 37115, 64523, 111345, 193569, 322615, 838799, 967845, 2516397, 4193995, 12581985]

約数ペア:

[(1, 12581985), (3, 4193995), (5, 2516397), (13, 967845), (15, 838799), (39, 322615), (65, 193569), (113, 111345), (195, 64523), (339, 37115), (565, 22269), (571, 22035), (1469, 8565), (1695, 7423), (1713, 7345), (2855, 4407)]