201631905

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{144539}}^1$

素因数の和:144581

約数の個数: 24

約数和(自身を含む): 360771840

約数和(自身を除く): 159139935

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 144539, 433617, 722695, 1300851, 2168085, 4480709, 6504255, 13442127, 22403545, 40326381, 67210635, 201631905]

約数ペア:

[(1, 201631905), (3, 67210635), (5, 40326381), (9, 22403545), (15, 13442127), (31, 6504255), (45, 4480709), (93, 2168085), (155, 1300851), (279, 722695), (465, 433617), (1395, 144539)]