16331985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 30837456

約数和(自身を除く): 14505471

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 153, 185, 255, 333, 555, 577, 629, 765, 1665, 1731, 1887, 2885, 3145, 5193, 5661, 8655, 9435, 9809, 21349, 25965, 28305, 29427, 49045, 64047, 88281, 106745, 147135, 192141, 320235, 362933, 441405, 960705, 1088799, 1814665, 3266397, 5443995, 16331985]

約数ペア:

[(1, 16331985), (3, 5443995), (5, 3266397), (9, 1814665), (15, 1088799), (17, 960705), (37, 441405), (45, 362933), (51, 320235), (85, 192141), (111, 147135), (153, 106745), (185, 88281), (255, 64047), (333, 49045), (555, 29427), (577, 28305), (629, 25965), (765, 21349), (1665, 9809), (1731, 9435), (1887, 8655), (2885, 5661), (3145, 5193)]