620173827

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{84137}}^1$

素因数の和:84169

約数の個数: 40

約数和(自身を含む): 1140238176

約数和(自身を除く): 520064349

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 84137, 252411, 588959, 757233, 1093781, 1766877, 2271699, 3281343, 5300631, 6815097, 7656467, 9844029, 15901893, 22969401, 29532087, 47705679, 68908203, 88596261, 206724609, 620173827]

約数ペア:

[(1, 620173827), (3, 206724609), (7, 88596261), (9, 68908203), (13, 47705679), (21, 29532087), (27, 22969401), (39, 15901893), (63, 9844029), (81, 7656467), (91, 6815097), (117, 5300631), (189, 3281343), (273, 2271699), (351, 1766877), (567, 1093781), (819, 757233), (1053, 588959), (2457, 252411), (7371, 84137)]