40401915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 67931136

約数和(自身を除く): 27529221

約数列:

[1, 3, 5, 15, 23, 69, 115, 181, 345, 543, 647, 905, 1941, 2715, 3235, 4163, 9705, 12489, 14881, 20815, 44643, 62445, 74405, 117107, 223215, 351321, 585535, 1756605, 2693461, 8080383, 13467305, 40401915]

約数ペア:

[(1, 40401915), (3, 13467305), (5, 8080383), (15, 2693461), (23, 1756605), (69, 585535), (115, 351321), (181, 223215), (345, 117107), (543, 74405), (647, 62445), (905, 44643), (1941, 20815), (2715, 14881), (3235, 12489), (4163, 9705)]