72580479

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 104509440

約数和(自身を除く): 31928961

約数列:

[1, 3, 23, 53, 69, 89, 159, 223, 267, 669, 1219, 2047, 3657, 4717, 5129, 6141, 11819, 14151, 15387, 19847, 35457, 59541, 108491, 271837, 325473, 456481, 815511, 1051891, 1369443, 3155673, 24193493, 72580479]

約数ペア:

[(1, 72580479), (3, 24193493), (23, 3155673), (53, 1369443), (69, 1051891), (89, 815511), (159, 456481), (223, 325473), (267, 271837), (669, 108491), (1219, 59541), (2047, 35457), (3657, 19847), (4717, 15387), (5129, 14151), (6141, 11819)]