131538537

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1613}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 222073488

約数和(自身を除く): 90534951

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 117, 123, 153, 221, 369, 533, 663, 697, 1599, 1613, 1989, 2091, 4797, 4839, 6273, 9061, 14517, 20969, 27183, 27421, 62907, 66133, 81549, 82263, 188721, 198399, 246789, 356473, 595197, 859729, 1069419, 1124261, 2579187, 3208257, 3372783, 7737561, 10118349, 14615393, 43846179, 131538537]

約数ペア:

[(1, 131538537), (3, 43846179), (9, 14615393), (13, 10118349), (17, 7737561), (39, 3372783), (41, 3208257), (51, 2579187), (117, 1124261), (123, 1069419), (153, 859729), (221, 595197), (369, 356473), (533, 246789), (663, 198399), (697, 188721), (1599, 82263), (1613, 81549), (1989, 66133), (2091, 62907), (4797, 27421), (4839, 27183), (6273, 20969), (9061, 14517)]