71908905

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 117889920

約数和(自身を除く): 45981015

約数列:

[1, 3, 5, 15, 59, 177, 193, 295, 421, 579, 885, 965, 1263, 2105, 2895, 6315, 11387, 24839, 34161, 56935, 74517, 81253, 124195, 170805, 243759, 372585, 406265, 1218795, 4793927, 14381781, 23969635, 71908905]

約数ペア:

[(1, 71908905), (3, 23969635), (5, 14381781), (15, 4793927), (59, 1218795), (177, 406265), (193, 372585), (295, 243759), (421, 170805), (579, 124195), (885, 81253), (965, 74517), (1263, 56935), (2105, 34161), (2895, 24839), (6315, 11387)]