209869425

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{11807}}^1$

素因数の和:11902

約数の個数: 36

約数和(自身を含む): 380689920

約数和(自身を除く): 170820495

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 711, 1185, 1975, 3555, 5925, 11807, 17775, 35421, 59035, 106263, 177105, 295175, 531315, 885525, 932753, 2656575, 2798259, 4663765, 8394777, 13991295, 23318825, 41973885, 69956475, 209869425]

約数ペア:

[(1, 209869425), (3, 69956475), (5, 41973885), (9, 23318825), (15, 13991295), (25, 8394777), (45, 4663765), (75, 2798259), (79, 2656575), (225, 932753), (237, 885525), (395, 531315), (711, 295175), (1185, 177105), (1975, 106263), (3555, 59035), (5925, 35421), (11807, 17775)]