51490413

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:478

約数の個数: 36

約数和(自身を含む): 81599700

約数和(自身を除く): 30109287

約数列:

[1, 3, 9, 13, 39, 97, 117, 169, 291, 349, 507, 873, 1047, 1261, 1521, 3141, 3783, 4537, 11349, 13611, 16393, 33853, 40833, 49179, 58981, 101559, 147537, 176943, 304677, 440089, 530829, 1320267, 3960801, 5721157, 17163471, 51490413]

約数ペア:

[(1, 51490413), (3, 17163471), (9, 5721157), (13, 3960801), (39, 1320267), (97, 530829), (117, 440089), (169, 304677), (291, 176943), (349, 147537), (507, 101559), (873, 58981), (1047, 49179), (1261, 40833), (1521, 33853), (3141, 16393), (3783, 13611), (4537, 11349)]