31080255

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 51565248

約数和(自身を除く): 20484993

約数列:

[1, 3, 5, 15, 41, 97, 123, 205, 291, 485, 521, 615, 1455, 1563, 2605, 3977, 7815, 11931, 19885, 21361, 50537, 59655, 64083, 106805, 151611, 252685, 320415, 758055, 2072017, 6216051, 10360085, 31080255]

約数ペア:

[(1, 31080255), (3, 10360085), (5, 6216051), (15, 2072017), (41, 758055), (97, 320415), (123, 252685), (205, 151611), (291, 106805), (485, 64083), (521, 59655), (615, 50537), (1455, 21361), (1563, 19885), (2605, 11931), (3977, 7815)]