220113081

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 345384000

約数和(自身を除く): 125270919

約数列:

[1, 3, 9, 19, 53, 57, 149, 159, 163, 171, 447, 477, 489, 1007, 1341, 1467, 2831, 3021, 3097, 7897, 8493, 8639, 9063, 9291, 23691, 24287, 25479, 25917, 27873, 71073, 72861, 77751, 150043, 164141, 218583, 450129, 461453, 492423, 1287211, 1350387, 1384359, 1477269, 3861633, 4153077, 11584899, 24457009, 73371027, 220113081]

約数ペア:

[(1, 220113081), (3, 73371027), (9, 24457009), (19, 11584899), (53, 4153077), (57, 3861633), (149, 1477269), (159, 1384359), (163, 1350387), (171, 1287211), (447, 492423), (477, 461453), (489, 450129), (1007, 218583), (1341, 164141), (1467, 150043), (2831, 77751), (3021, 72861), (3097, 71073), (7897, 27873), (8493, 25917), (8639, 25479), (9063, 24287), (9291, 23691)]