216974295

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23293}}^1$

素因数の和:23333

約数の個数: 40

約数和(自身を含む): 405874656

約数和(自身を除く): 188900361

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 23293, 69879, 116465, 209637, 349395, 535739, 628911, 1048185, 1607217, 1886733, 2678695, 3144555, 4821651, 8036085, 9433665, 14464953, 24108255, 43394859, 72324765, 216974295]

約数ペア:

[(1, 216974295), (3, 72324765), (5, 43394859), (9, 24108255), (15, 14464953), (23, 9433665), (27, 8036085), (45, 4821651), (69, 3144555), (81, 2678695), (115, 1886733), (135, 1607217), (207, 1048185), (345, 628911), (405, 535739), (621, 349395), (1035, 209637), (1863, 116465), (3105, 69879), (9315, 23293)]