217876515

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{1637}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 367960320

約数和(自身を除く): 150083805

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 467, 1401, 1637, 2335, 4911, 7005, 8185, 8873, 24555, 26619, 31103, 44365, 93309, 133095, 155515, 466545, 764479, 2293437, 3822395, 11467185, 14525101, 43575303, 72625505, 217876515]

約数ペア:

[(1, 217876515), (3, 72625505), (5, 43575303), (15, 14525101), (19, 11467185), (57, 3822395), (95, 2293437), (285, 764479), (467, 466545), (1401, 155515), (1637, 133095), (2335, 93309), (4911, 44365), (7005, 31103), (8185, 26619), (8873, 24555)]