252742491

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 385627200

約数和(自身を除く): 132884709

約数列:

[1, 3, 9, 27, 41, 123, 229, 369, 687, 997, 1107, 2061, 2991, 6183, 8973, 9389, 26919, 28167, 40877, 84501, 122631, 228313, 253503, 367893, 684939, 1103679, 2054817, 6164451, 9360833, 28082499, 84247497, 252742491]

約数ペア:

[(1, 252742491), (3, 84247497), (9, 28082499), (27, 9360833), (41, 6164451), (123, 2054817), (229, 1103679), (369, 684939), (687, 367893), (997, 253503), (1107, 228313), (2061, 122631), (2991, 84501), (6183, 40877), (8973, 28167), (9389, 26919)]