78826761

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 127807680

約数和(自身を除く): 48980919

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 131, 139, 333, 393, 417, 481, 1179, 1251, 1443, 1703, 1807, 4329, 4847, 5109, 5143, 5421, 14541, 15327, 15429, 16263, 18209, 43623, 46287, 54627, 63011, 66859, 163881, 189033, 200577, 236717, 567099, 601731, 673733, 710151, 2021199, 2130453, 6063597, 8758529, 26275587, 78826761]

約数ペア:

[(1, 78826761), (3, 26275587), (9, 8758529), (13, 6063597), (37, 2130453), (39, 2021199), (111, 710151), (117, 673733), (131, 601731), (139, 567099), (333, 236717), (393, 200577), (417, 189033), (481, 163881), (1179, 66859), (1251, 63011), (1443, 54627), (1703, 46287), (1807, 43623), (4329, 18209), (4847, 16263), (5109, 15429), (5143, 15327), (5421, 14541)]