81120345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7759}}^1$

素因数の和:7825

約数の個数: 32

約数和(自身を含む): 140797440

約数和(自身を除く): 59677095

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 3485, 7759, 10455, 23277, 38795, 116385, 131903, 318119, 395709, 659515, 954357, 1590595, 1978545, 4771785, 5408023, 16224069, 27040115, 81120345]

約数ペア:

[(1, 81120345), (3, 27040115), (5, 16224069), (15, 5408023), (17, 4771785), (41, 1978545), (51, 1590595), (85, 954357), (123, 659515), (205, 395709), (255, 318119), (615, 131903), (697, 116385), (2091, 38795), (3485, 23277), (7759, 10455)]