2005965

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 3913728

約数和(自身を除く): 1907763

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 127, 135, 195, 243, 351, 381, 405, 585, 635, 1053, 1143, 1215, 1651, 1755, 1905, 3159, 3429, 4953, 5265, 5715, 8255, 10287, 14859, 15795, 17145, 24765, 30861, 44577, 51435, 74295, 133731, 154305, 222885, 401193, 668655, 2005965]

約数ペア:

[(1, 2005965), (3, 668655), (5, 401193), (9, 222885), (13, 154305), (15, 133731), (27, 74295), (39, 51435), (45, 44577), (65, 30861), (81, 24765), (117, 17145), (127, 15795), (135, 14859), (195, 10287), (243, 8255), (351, 5715), (381, 5265), (405, 4953), (585, 3429), (635, 3159), (1053, 1905), (1143, 1755), (1215, 1651)]