64475739

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 101896704

約数和(自身を除く): 37420965

約数列:

[1, 3, 9, 23, 41, 69, 71, 107, 123, 207, 213, 321, 369, 639, 943, 963, 1633, 2461, 2829, 2911, 4387, 4899, 7383, 7597, 8487, 8733, 13161, 14697, 22149, 22791, 26199, 39483, 66953, 68373, 100901, 174731, 200859, 302703, 311477, 524193, 602577, 908109, 934431, 1572579, 2803293, 7163971, 21491913, 64475739]

約数ペア:

[(1, 64475739), (3, 21491913), (9, 7163971), (23, 2803293), (41, 1572579), (69, 934431), (71, 908109), (107, 602577), (123, 524193), (207, 311477), (213, 302703), (321, 200859), (369, 174731), (639, 100901), (943, 68373), (963, 66953), (1633, 39483), (2461, 26199), (2829, 22791), (2911, 22149), (4387, 14697), (4899, 13161), (7383, 8733), (7597, 8487)]