28540677

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 44752896

約数和(自身を除く): 16212219

約数列:

[1, 3, 11, 23, 31, 33, 69, 93, 253, 341, 713, 759, 1023, 1213, 2139, 3639, 7843, 13343, 23529, 27899, 37603, 40029, 83697, 112809, 306889, 413633, 864869, 920667, 1240899, 2594607, 9513559, 28540677]

約数ペア:

[(1, 28540677), (3, 9513559), (11, 2594607), (23, 1240899), (31, 920667), (33, 864869), (69, 413633), (93, 306889), (253, 112809), (341, 83697), (713, 40029), (759, 37603), (1023, 27899), (1213, 23529), (2139, 13343), (3639, 7843)]