61815085

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 80123904

約数和(自身を除く): 18308819

約数列:

[1, 5, 31, 41, 71, 137, 155, 205, 355, 685, 1271, 2201, 2911, 4247, 5617, 6355, 9727, 11005, 14555, 21235, 28085, 48635, 90241, 174127, 301537, 398807, 451205, 870635, 1507685, 1994035, 12363017, 61815085]

約数ペア:

[(1, 61815085), (5, 12363017), (31, 1994035), (41, 1507685), (71, 870635), (137, 451205), (155, 398807), (205, 301537), (355, 174127), (685, 90241), (1271, 48635), (2201, 28085), (2911, 21235), (4247, 14555), (5617, 11005), (6355, 9727)]