72578685

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2963}}^1$

素因数の和:3065

約数の個数: 32

約数和(自身を含む): 122923008

約数和(自身を除く): 50344323

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 2963, 4899, 8165, 8889, 14815, 24495, 44445, 68149, 204447, 210373, 340745, 631119, 1022235, 1051865, 3155595, 4838579, 14515737, 24192895, 72578685]

約数ペア:

[(1, 72578685), (3, 24192895), (5, 14515737), (15, 4838579), (23, 3155595), (69, 1051865), (71, 1022235), (115, 631119), (213, 340745), (345, 210373), (355, 204447), (1065, 68149), (1633, 44445), (2963, 24495), (4899, 14815), (8165, 8889)]