2005121655

素因数分解:

$3^3\times 5^1\times {\mathrm{2633}}^1\times {\mathrm{5641}}^1$

素因数の和:8288

約数の個数: 32

約数和(自身を含む): 3566646720

約数和(自身を除く): 1561525065

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2633, 5641, 7899, 13165, 16923, 23697, 28205, 39495, 50769, 71091, 84615, 118485, 152307, 253845, 355455, 761535, 14852753, 44558259, 74263765, 133674777, 222791295, 401024331, 668373885, 2005121655]

約数ペア:

[(1, 2005121655), (3, 668373885), (5, 401024331), (9, 222791295), (15, 133674777), (27, 74263765), (45, 44558259), (135, 14852753), (2633, 761535), (5641, 355455), (7899, 253845), (13165, 152307), (16923, 118485), (23697, 84615), (28205, 71091), (39495, 50769)]