339989715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2011}}^1$

素因数の和:2069

約数の個数: 72

約数和(自身を含む): 674510928

約数和(自身を除く): 334521213

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 289, 585, 663, 765, 867, 1105, 1445, 1989, 2011, 2601, 3315, 3757, 4335, 6033, 9945, 10055, 11271, 13005, 18099, 18785, 26143, 30165, 33813, 34187, 56355, 78429, 90495, 102561, 130715, 169065, 170935, 235287, 307683, 392145, 444431, 512805, 581179, 1176435, 1333293, 1538415, 1743537, 2222155, 2905895, 3999879, 5230611, 6666465, 7555327, 8717685, 19999395, 22665981, 26153055, 37776635, 67997943, 113329905, 339989715]

約数ペア:

[(1, 339989715), (3, 113329905), (5, 67997943), (9, 37776635), (13, 26153055), (15, 22665981), (17, 19999395), (39, 8717685), (45, 7555327), (51, 6666465), (65, 5230611), (85, 3999879), (117, 2905895), (153, 2222155), (195, 1743537), (221, 1538415), (255, 1333293), (289, 1176435), (585, 581179), (663, 512805), (765, 444431), (867, 392145), (1105, 307683), (1445, 235287), (1989, 170935), (2011, 169065), (2601, 130715), (3315, 102561), (3757, 90495), (4335, 78429), (6033, 56355), (9945, 34187), (10055, 33813), (11271, 30165), (13005, 26143), (18099, 18785)]