64672539

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 94602816

約数和(自身を除く): 29930277

約数列:

[1, 3, 17, 41, 51, 123, 157, 197, 471, 591, 697, 2091, 2669, 3349, 6437, 8007, 8077, 10047, 19311, 24231, 30929, 92787, 109429, 137309, 328287, 411927, 525793, 1268089, 1577379, 3804267, 21557513, 64672539]

約数ペア:

[(1, 64672539), (3, 21557513), (17, 3804267), (41, 1577379), (51, 1268089), (123, 525793), (157, 411927), (197, 328287), (471, 137309), (591, 109429), (697, 92787), (2091, 30929), (2669, 24231), (3349, 19311), (6437, 10047), (8007, 8077)]