211678905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{7211}}^1$

素因数の和:7341

約数の個数: 32

約数和(自身を含む): 360023040

約数和(自身を除く): 148344135

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 1545, 1957, 5871, 7211, 9785, 21633, 29355, 36055, 108165, 137009, 411027, 685045, 742733, 2055135, 2228199, 3713665, 11140995, 14111927, 42335781, 70559635, 211678905]

約数ペア:

[(1, 211678905), (3, 70559635), (5, 42335781), (15, 14111927), (19, 11140995), (57, 3713665), (95, 2228199), (103, 2055135), (285, 742733), (309, 685045), (515, 411027), (1545, 137009), (1957, 108165), (5871, 36055), (7211, 29355), (9785, 21633)]