248403720957

素因数分解:

$3^1\times 7^3\times {\mathrm{11621}}^1\times {\mathrm{20773}}^1$

素因数の和:32418

約数の個数: 32

約数和(自身を含む): 386296684800

約数和(自身を除く): 137892963843

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 11621, 20773, 34863, 62319, 81347, 145411, 244041, 436233, 569429, 1017877, 1708287, 3053631, 3986003, 7125139, 11958009, 21375417, 241403033, 724209099, 1689821231, 5069463693, 11828748617, 35486245851, 82801240319, 248403720957]

約数ペア:

[(1, 248403720957), (3, 82801240319), (7, 35486245851), (21, 11828748617), (49, 5069463693), (147, 1689821231), (343, 724209099), (1029, 241403033), (11621, 21375417), (20773, 11958009), (34863, 7125139), (62319, 3986003), (81347, 3053631), (145411, 1708287), (244041, 1017877), (436233, 569429)]