1984665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 3459456

約数和(自身を除く): 1474791

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 181, 215, 255, 543, 645, 731, 905, 2193, 2715, 3077, 3655, 7783, 9231, 10965, 15385, 23349, 38915, 46155, 116745, 132311, 396933, 661555, 1984665]

約数ペア:

[(1, 1984665), (3, 661555), (5, 396933), (15, 132311), (17, 116745), (43, 46155), (51, 38915), (85, 23349), (129, 15385), (181, 10965), (215, 9231), (255, 7783), (543, 3655), (645, 3077), (731, 2715), (905, 2193)]