2021982921

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{18143}}^1$

素因数の和:18246

約数の個数: 48

約数和(自身を含む): 3509775360

約数和(自身を除く): 1487792439

約数列:

[1, 3, 7, 9, 21, 29, 61, 63, 87, 183, 203, 261, 427, 549, 609, 1281, 1769, 1827, 3843, 5307, 12383, 15921, 18143, 37149, 54429, 111447, 127001, 163287, 381003, 526147, 1106723, 1143009, 1578441, 3320169, 3683029, 4735323, 7747061, 9960507, 11049087, 23241183, 32094967, 33147261, 69723549, 96284901, 224664769, 288854703, 673994307, 2021982921]

約数ペア:

[(1, 2021982921), (3, 673994307), (7, 288854703), (9, 224664769), (21, 96284901), (29, 69723549), (61, 33147261), (63, 32094967), (87, 23241183), (183, 11049087), (203, 9960507), (261, 7747061), (427, 4735323), (549, 3683029), (609, 3320169), (1281, 1578441), (1769, 1143009), (1827, 1106723), (3843, 526147), (5307, 381003), (12383, 163287), (15921, 127001), (18143, 111447), (37149, 54429)]