40172013

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1374

約数の個数: 36

約数和(自身を含む): 68503968

約数和(自身を除く): 28331955

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1283, 1491, 3479, 3849, 4473, 8981, 10437, 11547, 26943, 31311, 62867, 80829, 91093, 188601, 273279, 565803, 637651, 819837, 1912953, 4463557, 5738859, 13390671, 40172013]

約数ペア:

[(1, 40172013), (3, 13390671), (7, 5738859), (9, 4463557), (21, 1912953), (49, 819837), (63, 637651), (71, 565803), (147, 273279), (213, 188601), (441, 91093), (497, 80829), (639, 62867), (1283, 31311), (1491, 26943), (3479, 11547), (3849, 10437), (4473, 8981)]