81302615

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1527

約数の個数: 24

約数和(自身を含む): 106363008

約数和(自身を除く): 25060393

約数列:

[1, 5, 19, 31, 95, 155, 361, 589, 1453, 1805, 2945, 7265, 11191, 27607, 45043, 55955, 138035, 225215, 524533, 855817, 2622665, 4279085, 16260523, 81302615]

約数ペア:

[(1, 81302615), (5, 16260523), (19, 4279085), (31, 2622665), (95, 855817), (155, 524533), (361, 225215), (589, 138035), (1453, 55955), (1805, 45043), (2945, 27607), (7265, 11191)]