71115915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1051}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 123008256

約数和(自身を除く): 51892341

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 347, 1041, 1051, 1735, 3153, 4511, 5205, 5255, 13533, 13663, 15765, 22555, 40989, 67665, 68315, 204945, 364697, 1094091, 1823485, 4741061, 5470455, 14223183, 23705305, 71115915]

約数ペア:

[(1, 71115915), (3, 23705305), (5, 14223183), (13, 5470455), (15, 4741061), (39, 1823485), (65, 1094091), (195, 364697), (347, 204945), (1041, 68315), (1051, 67665), (1735, 40989), (3153, 22555), (4511, 15765), (5205, 13663), (5255, 13533)]