49491351

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20143}}^1$

素因数の和:20172

約数の個数: 32

約数和(自身を含む): 90245120

約数和(自身を除く): 40753769

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 20143, 60429, 141001, 181287, 261859, 423003, 543861, 785577, 1269009, 1833013, 2356731, 3807027, 5499039, 7070193, 16497117, 49491351]

約数ペア:

[(1, 49491351), (3, 16497117), (7, 7070193), (9, 5499039), (13, 3807027), (21, 2356731), (27, 1833013), (39, 1269009), (63, 785577), (91, 543861), (117, 423003), (189, 261859), (273, 181287), (351, 141001), (819, 60429), (2457, 20143)]