1279236855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211619}}^1$

素因数の和:211671

約数の個数: 32

約数和(自身を含む): 2275338240

約数和(自身を除く): 996101385

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 6045, 211619, 634857, 1058095, 2751047, 3174285, 6560189, 8253141, 13755235, 19680567, 32800945, 41265705, 85282457, 98402835, 255847371, 426412285, 1279236855]

約数ペア:

[(1, 1279236855), (3, 426412285), (5, 255847371), (13, 98402835), (15, 85282457), (31, 41265705), (39, 32800945), (65, 19680567), (93, 13755235), (155, 8253141), (195, 6560189), (403, 3174285), (465, 2751047), (1209, 1058095), (2015, 634857), (6045, 211619)]