31984191

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 20244609

約数列:

[1, 3, 9, 17, 23, 51, 61, 69, 149, 153, 183, 207, 391, 447, 549, 1037, 1173, 1341, 1403, 2533, 3111, 3427, 3519, 4209, 7599, 9089, 9333, 10281, 12627, 22797, 23851, 27267, 30843, 58259, 71553, 81801, 154513, 174777, 209047, 214659, 463539, 524331, 627141, 1390617, 1881423, 3553799, 10661397, 31984191]

約数ペア:

[(1, 31984191), (3, 10661397), (9, 3553799), (17, 1881423), (23, 1390617), (51, 627141), (61, 524331), (69, 463539), (149, 214659), (153, 209047), (183, 174777), (207, 154513), (391, 81801), (447, 71553), (549, 58259), (1037, 30843), (1173, 27267), (1341, 23851), (1403, 22797), (2533, 12627), (3111, 10281), (3427, 9333), (3519, 9089), (4209, 7599)]