1057400019

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{21467}}^1$

素因数の和:21907

約数の個数: 24

約数和(自身を含む): 1648828272

約数和(自身を除く): 591428253

約数列:

[1, 3, 9, 13, 39, 117, 421, 1263, 3789, 5473, 16419, 21467, 49257, 64401, 193203, 279071, 837213, 2511639, 9037607, 27112821, 81338463, 117488891, 352466673, 1057400019]

約数ペア:

[(1, 1057400019), (3, 352466673), (9, 117488891), (13, 81338463), (39, 27112821), (117, 9037607), (421, 2511639), (1263, 837213), (3789, 279071), (5473, 193203), (16419, 64401), (21467, 49257)]