123888639

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2129}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 201208320

約数和(自身を除く): 77319681

約数列:

[1, 3, 7, 17, 21, 51, 119, 163, 357, 489, 1141, 2129, 2771, 3423, 6387, 8313, 14903, 19397, 36193, 44709, 58191, 108579, 253351, 347027, 760053, 1041081, 2429189, 5899459, 7287567, 17698377, 41296213, 123888639]

約数ペア:

[(1, 123888639), (3, 41296213), (7, 17698377), (17, 7287567), (21, 5899459), (51, 2429189), (119, 1041081), (163, 760053), (357, 347027), (489, 253351), (1141, 108579), (2129, 58191), (2771, 44709), (3423, 36193), (6387, 19397), (8313, 14903)]