31341795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 53732160

約数和(自身を除く): 22390365

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 1335, 1381, 1513, 4143, 4539, 6905, 7565, 20715, 22695, 23477, 70431, 117385, 122909, 352155, 368727, 614545, 1843635, 2089453, 6268359, 10447265, 31341795]

約数ペア:

[(1, 31341795), (3, 10447265), (5, 6268359), (15, 2089453), (17, 1843635), (51, 614545), (85, 368727), (89, 352155), (255, 122909), (267, 117385), (445, 70431), (1335, 23477), (1381, 22695), (1513, 20715), (4143, 7565), (4539, 6905)]