28851315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{347}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 48508416

約数和(自身を除く): 19657101

約数列:

[1, 3, 5, 15, 23, 69, 115, 241, 345, 347, 723, 1041, 1205, 1735, 3615, 5205, 5543, 7981, 16629, 23943, 27715, 39905, 83145, 83627, 119715, 250881, 418135, 1254405, 1923421, 5770263, 9617105, 28851315]

約数ペア:

[(1, 28851315), (3, 9617105), (5, 5770263), (15, 1923421), (23, 1254405), (69, 418135), (115, 250881), (241, 119715), (345, 83627), (347, 83145), (723, 39905), (1041, 27715), (1205, 23943), (1735, 16629), (3615, 7981), (5205, 5543)]