128271507

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 216437760

約数和(自身を除く): 88166253

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 169, 273, 329, 507, 611, 769, 987, 1183, 1833, 2307, 3549, 4277, 5383, 7943, 9997, 12831, 16149, 23829, 29991, 36143, 55601, 69979, 108429, 129961, 166803, 209937, 253001, 389883, 469859, 759003, 909727, 1409577, 2729181, 3289013, 6108167, 9867039, 18324501, 42757169, 128271507]

約数ペア:

[(1, 128271507), (3, 42757169), (7, 18324501), (13, 9867039), (21, 6108167), (39, 3289013), (47, 2729181), (91, 1409577), (141, 909727), (169, 759003), (273, 469859), (329, 389883), (507, 253001), (611, 209937), (769, 166803), (987, 129961), (1183, 108429), (1833, 69979), (2307, 55601), (3549, 36143), (4277, 29991), (5383, 23829), (7943, 16149), (9997, 12831)]