81860865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3607}}^1$

素因数の和:3721

約数の個数: 32

約数和(自身を含む): 140279040

約数和(自身を除く): 58418175

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 1335, 1513, 3607, 4539, 7565, 10821, 18035, 22695, 54105, 61319, 183957, 306595, 321023, 919785, 963069, 1605115, 4815345, 5457391, 16372173, 27286955, 81860865]

約数ペア:

[(1, 81860865), (3, 27286955), (5, 16372173), (15, 5457391), (17, 4815345), (51, 1605115), (85, 963069), (89, 919785), (255, 321023), (267, 306595), (445, 183957), (1335, 61319), (1513, 54105), (3607, 22695), (4539, 18035), (7565, 10821)]