258815613

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{156007}}^1$

素因数の和:156096

約数の個数: 16

約数和(自身を含む): 399380480

約数和(自身を除く): 140564867

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 156007, 468021, 1092049, 3276147, 12324553, 36973659, 86271871, 258815613]

約数ペア:

[(1, 258815613), (3, 86271871), (7, 36973659), (21, 12324553), (79, 3276147), (237, 1092049), (553, 468021), (1659, 156007)]