128869425

素因数分解:

$3^2\times 5^2\times {\mathrm{601}}^1\times {\mathrm{953}}^1$

素因数の和:1570

約数の個数: 36

約数和(自身を含む): 231446124

約数和(自身を除く): 102576699

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 601, 953, 1803, 2859, 3005, 4765, 5409, 8577, 9015, 14295, 15025, 23825, 27045, 42885, 45075, 71475, 135225, 214425, 572753, 1718259, 2863765, 5154777, 8591295, 14318825, 25773885, 42956475, 128869425]

約数ペア:

[(1, 128869425), (3, 42956475), (5, 25773885), (9, 14318825), (15, 8591295), (25, 5154777), (45, 2863765), (75, 1718259), (225, 572753), (601, 214425), (953, 135225), (1803, 71475), (2859, 45075), (3005, 42885), (4765, 27045), (5409, 23825), (8577, 15025), (9015, 14295)]