209747205

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15383}}^1$

素因数の和:15498

約数の個数: 32

約数和(自身を含む): 376600320

約数和(自身を除く): 166853115

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1515, 2727, 4545, 13635, 15383, 46149, 76915, 138447, 230745, 415341, 692235, 1553683, 2076705, 4661049, 7768415, 13983147, 23305245, 41949441, 69915735, 209747205]

約数ペア:

[(1, 209747205), (3, 69915735), (5, 41949441), (9, 23305245), (15, 13983147), (27, 7768415), (45, 4661049), (101, 2076705), (135, 1553683), (303, 692235), (505, 415341), (909, 230745), (1515, 138447), (2727, 76915), (4545, 46149), (13635, 15383)]