865330557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{7529}}^1$

素因数の和:7973

約数の個数: 32

約数和(自身を含む): 1423591680

約数和(自身を除く): 558261123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 421, 1263, 2947, 5473, 7529, 8841, 16419, 22587, 38311, 52703, 97877, 114933, 158109, 293631, 685139, 2055417, 3169709, 9509127, 22187963, 41206217, 66563889, 123618651, 288443519, 865330557]

約数ペア:

[(1, 865330557), (3, 288443519), (7, 123618651), (13, 66563889), (21, 41206217), (39, 22187963), (91, 9509127), (273, 3169709), (421, 2055417), (1263, 685139), (2947, 293631), (5473, 158109), (7529, 114933), (8841, 97877), (16419, 52703), (22587, 38311)]