520065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 1118208

約数和(自身を除く): 598143

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 127, 195, 273, 315, 381, 455, 585, 635, 819, 889, 1143, 1365, 1651, 1905, 2667, 4095, 4445, 4953, 5715, 8001, 8255, 11557, 13335, 14859, 24765, 34671, 40005, 57785, 74295, 104013, 173355, 520065]

約数ペア:

[(1, 520065), (3, 173355), (5, 104013), (7, 74295), (9, 57785), (13, 40005), (15, 34671), (21, 24765), (35, 14859), (39, 13335), (45, 11557), (63, 8255), (65, 8001), (91, 5715), (105, 4953), (117, 4445), (127, 4095), (195, 2667), (273, 1905), (315, 1651), (381, 1365), (455, 1143), (585, 889), (635, 819)]