203854419

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 317011968

約数和(自身を除く): 113157549

約数列:

[1, 3, 9, 31, 41, 71, 93, 123, 213, 251, 279, 369, 639, 753, 1271, 2201, 2259, 2911, 3813, 6603, 7781, 8733, 10291, 11439, 17821, 19809, 23343, 26199, 30873, 53463, 70029, 90241, 92619, 160389, 270723, 319021, 552451, 730661, 812169, 957063, 1657353, 2191983, 2871189, 4972059, 6575949, 22650491, 67951473, 203854419]

約数ペア:

[(1, 203854419), (3, 67951473), (9, 22650491), (31, 6575949), (41, 4972059), (71, 2871189), (93, 2191983), (123, 1657353), (213, 957063), (251, 812169), (279, 730661), (369, 552451), (639, 319021), (753, 270723), (1271, 160389), (2201, 92619), (2259, 90241), (2911, 70029), (3813, 53463), (6603, 30873), (7781, 26199), (8733, 23343), (10291, 19809), (11439, 17821)]