205963191

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1427}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 356428800

約数和(自身を除く): 150465609

約数列:

[1, 3, 7, 9, 21, 29, 63, 79, 87, 203, 237, 261, 553, 609, 711, 1427, 1659, 1827, 2291, 4281, 4977, 6873, 9989, 12843, 16037, 20619, 29967, 41383, 48111, 89901, 112733, 124149, 144333, 289681, 338199, 372447, 789131, 869043, 1014597, 2367393, 2607129, 3269257, 7102179, 9807771, 22884799, 29423313, 68654397, 205963191]

約数ペア:

[(1, 205963191), (3, 68654397), (7, 29423313), (9, 22884799), (21, 9807771), (29, 7102179), (63, 3269257), (79, 2607129), (87, 2367393), (203, 1014597), (237, 869043), (261, 789131), (553, 372447), (609, 338199), (711, 289681), (1427, 144333), (1659, 124149), (1827, 112733), (2291, 89901), (4281, 48111), (4977, 41383), (6873, 29967), (9989, 20619), (12843, 16037)]