64784889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 107336320

約数和(自身を除く): 42551431

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 151, 171, 193, 247, 453, 579, 741, 1359, 1737, 1963, 2223, 2509, 2869, 3667, 5889, 7527, 8607, 11001, 17667, 22581, 25821, 29143, 33003, 37297, 47671, 87429, 111891, 143013, 262287, 335673, 378859, 429039, 553717, 1136577, 1661151, 3409731, 4983453, 7198321, 21594963, 64784889]

約数ペア:

[(1, 64784889), (3, 21594963), (9, 7198321), (13, 4983453), (19, 3409731), (39, 1661151), (57, 1136577), (117, 553717), (151, 429039), (171, 378859), (193, 335673), (247, 262287), (453, 143013), (579, 111891), (741, 87429), (1359, 47671), (1737, 37297), (1963, 33003), (2223, 29143), (2509, 25821), (2869, 22581), (3667, 17667), (5889, 11001), (7527, 8607)]