280848465

素因数分解:

$3^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2383}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 510252288

約数和(自身を除く): 229403823

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 243, 291, 405, 485, 873, 1215, 1455, 2383, 2619, 4365, 7149, 7857, 11915, 13095, 21447, 23571, 35745, 39285, 64341, 107235, 117855, 193023, 231151, 321705, 579069, 693453, 965115, 1155755, 2080359, 2895345, 3467265, 6241077, 10401795, 18723231, 31205385, 56169693, 93616155, 280848465]

約数ペア:

[(1, 280848465), (3, 93616155), (5, 56169693), (9, 31205385), (15, 18723231), (27, 10401795), (45, 6241077), (81, 3467265), (97, 2895345), (135, 2080359), (243, 1155755), (291, 965115), (405, 693453), (485, 579069), (873, 321705), (1215, 231151), (1455, 193023), (2383, 117855), (2619, 107235), (4365, 64341), (7149, 39285), (7857, 35745), (11915, 23571), (13095, 21447)]