64972011

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 103039776

約数和(自身を除く): 38067765

約数列:

[1, 3, 13, 17, 39, 43, 51, 53, 129, 159, 221, 559, 663, 689, 731, 901, 1677, 1849, 2067, 2193, 2279, 2703, 5547, 6837, 9503, 11713, 24037, 28509, 29627, 31433, 35139, 38743, 72111, 88881, 94299, 97997, 116229, 293991, 408629, 503659, 1225887, 1273961, 1510977, 1665949, 3821883, 4997847, 21657337, 64972011]

約数ペア:

[(1, 64972011), (3, 21657337), (13, 4997847), (17, 3821883), (39, 1665949), (43, 1510977), (51, 1273961), (53, 1225887), (129, 503659), (159, 408629), (221, 293991), (559, 116229), (663, 97997), (689, 94299), (731, 88881), (901, 72111), (1677, 38743), (1849, 35139), (2067, 31433), (2193, 29627), (2279, 28509), (2703, 24037), (5547, 11713), (6837, 9503)]