2019907785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{2909}}^1$

素因数の和:3330

約数の個数: 64

約数和(自身を含む): 3922214400

約数和(自身を除く): 1902306615

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 389, 595, 1167, 1785, 1945, 2723, 2909, 5835, 6613, 8169, 8727, 13615, 14545, 19839, 20363, 33065, 40845, 43635, 46291, 49453, 61089, 99195, 101815, 138873, 148359, 231455, 247265, 305445, 346171, 694365, 741795, 1038513, 1131601, 1730855, 3394803, 5192565, 5658005, 7921207, 16974015, 19237217, 23763621, 39606035, 57711651, 96186085, 118818105, 134660519, 288558255, 403981557, 673302595, 2019907785]

約数ペア:

[(1, 2019907785), (3, 673302595), (5, 403981557), (7, 288558255), (15, 134660519), (17, 118818105), (21, 96186085), (35, 57711651), (51, 39606035), (85, 23763621), (105, 19237217), (119, 16974015), (255, 7921207), (357, 5658005), (389, 5192565), (595, 3394803), (1167, 1730855), (1785, 1131601), (1945, 1038513), (2723, 741795), (2909, 694365), (5835, 346171), (6613, 305445), (8169, 247265), (8727, 231455), (13615, 148359), (14545, 138873), (19839, 101815), (20363, 99195), (33065, 61089), (40845, 49453), (43635, 46291)]