172212705

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{78101}}^1$

素因数の和:78126

約数の個数: 36

約数和(自身を含む): 347241492

約数和(自身を除く): 175028787

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 78101, 234303, 390505, 546707, 702909, 1171515, 1640121, 2733535, 3514545, 3826949, 4920363, 8200605, 11480847, 19134745, 24601815, 34442541, 57404235, 172212705]

約数ペア:

[(1, 172212705), (3, 57404235), (5, 34442541), (7, 24601815), (9, 19134745), (15, 11480847), (21, 8200605), (35, 4920363), (45, 3826949), (49, 3514545), (63, 2733535), (105, 1640121), (147, 1171515), (245, 702909), (315, 546707), (441, 390505), (735, 234303), (2205, 78101)]