1639448919

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 2518483968

約数和(自身を除く): 879035049

約数列:

[1, 3, 9, 31, 41, 93, 123, 251, 279, 369, 571, 753, 1271, 1713, 2259, 3813, 5139, 7781, 10291, 11439, 17701, 23343, 23411, 30873, 53103, 70029, 70233, 92619, 143321, 159309, 210699, 319021, 429963, 725741, 957063, 1289889, 2177223, 2871189, 4442951, 5876161, 6531669, 13328853, 17628483, 39986559, 52885449, 182160991, 546482973, 1639448919]

約数ペア:

[(1, 1639448919), (3, 546482973), (9, 182160991), (31, 52885449), (41, 39986559), (93, 17628483), (123, 13328853), (251, 6531669), (279, 5876161), (369, 4442951), (571, 2871189), (753, 2177223), (1271, 1289889), (1713, 957063), (2259, 725741), (3813, 429963), (5139, 319021), (7781, 210699), (10291, 159309), (11439, 143321), (17701, 92619), (23343, 70233), (23411, 70029), (30873, 53103)]