1605197439

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1279}}^1$

素因数の和:1401

約数の個数: 64

約数和(自身を含む): 2595225600

約数和(自身を除く): 990028161

約数列:

[1, 3, 9, 23, 27, 43, 47, 69, 129, 141, 207, 387, 423, 621, 989, 1081, 1161, 1269, 1279, 2021, 2967, 3243, 3837, 6063, 8901, 9729, 11511, 18189, 26703, 29187, 29417, 34533, 46483, 54567, 54997, 60113, 88251, 139449, 164991, 180339, 264753, 418347, 494973, 541017, 794259, 1255041, 1264931, 1382599, 1484919, 1623051, 2584859, 3794793, 4147797, 7754577, 11384379, 12443391, 23263731, 34153137, 37330173, 59451757, 69791193, 178355271, 535065813, 1605197439]

約数ペア:

[(1, 1605197439), (3, 535065813), (9, 178355271), (23, 69791193), (27, 59451757), (43, 37330173), (47, 34153137), (69, 23263731), (129, 12443391), (141, 11384379), (207, 7754577), (387, 4147797), (423, 3794793), (621, 2584859), (989, 1623051), (1081, 1484919), (1161, 1382599), (1269, 1264931), (1279, 1255041), (2021, 794259), (2967, 541017), (3243, 494973), (3837, 418347), (6063, 264753), (8901, 180339), (9729, 164991), (11511, 139449), (18189, 88251), (26703, 60113), (29187, 54997), (29417, 54567), (34533, 46483)]