209966175

素因数分解:

$3^4\times 5^2\times {\mathrm{103687}}^1$

素因数の和:103709

約数の個数: 30

約数和(自身を含む): 388933688

約数和(自身を除く): 178967513

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 103687, 311061, 518435, 933183, 1555305, 2592175, 2799549, 4665915, 7776525, 8398647, 13997745, 23329575, 41993235, 69988725, 209966175]

約数ペア:

[(1, 209966175), (3, 69988725), (5, 41993235), (9, 23329575), (15, 13997745), (25, 8398647), (27, 7776525), (45, 4665915), (75, 2799549), (81, 2592175), (135, 1555305), (225, 933183), (405, 518435), (675, 311061), (2025, 103687)]