191515041

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{2281}}^1$

素因数の和:2797

約数の個数: 24

約数和(自身を含む): 291913440

約数和(自身を除く): 100398399

約数列:

[1, 3, 9, 19, 57, 171, 491, 1473, 2281, 4419, 6843, 9329, 20529, 27987, 43339, 83961, 130017, 390051, 1119971, 3359913, 10079739, 21279449, 63838347, 191515041]

約数ペア:

[(1, 191515041), (3, 63838347), (9, 21279449), (19, 10079739), (57, 3359913), (171, 1119971), (491, 390051), (1473, 130017), (2281, 83961), (4419, 43339), (6843, 27987), (9329, 20529)]