40506501

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 63551488

約数和(自身を除く): 23044987

約数列:

[1, 3, 7, 21, 61, 103, 183, 307, 309, 427, 721, 921, 1281, 2149, 2163, 6283, 6447, 18727, 18849, 31621, 43981, 56181, 94863, 131089, 131943, 221347, 393267, 664041, 1928881, 5786643, 13502167, 40506501]

約数ペア:

[(1, 40506501), (3, 13502167), (7, 5786643), (21, 1928881), (61, 664041), (103, 393267), (183, 221347), (307, 131943), (309, 131089), (427, 94863), (721, 56181), (921, 43981), (1281, 31621), (2149, 18849), (2163, 18727), (6283, 6447)]