28264539

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 41094144

約数和(自身を除く): 12829605

約数列:

[1, 3, 23, 41, 69, 97, 103, 123, 291, 309, 943, 2231, 2369, 2829, 3977, 4223, 6693, 7107, 9991, 11931, 12669, 29973, 91471, 97129, 229793, 274413, 291387, 409631, 689379, 1228893, 9421513, 28264539]

約数ペア:

[(1, 28264539), (3, 9421513), (23, 1228893), (41, 689379), (69, 409631), (97, 291387), (103, 274413), (123, 229793), (291, 97129), (309, 91471), (943, 29973), (2231, 12669), (2369, 11931), (2829, 9991), (3977, 7107), (4223, 6693)]