207944415

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1789}}^1$

素因数の和:1854

約数の個数: 80

約数和(自身を含む): 436645440

約数和(自身を除く): 228701025

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 63, 81, 105, 123, 135, 189, 205, 287, 315, 369, 405, 567, 615, 861, 945, 1107, 1435, 1789, 1845, 2583, 2835, 3321, 4305, 5367, 5535, 7749, 8945, 12523, 12915, 16101, 16605, 23247, 26835, 37569, 38745, 48303, 62615, 73349, 80505, 112707, 116235, 144909, 187845, 220047, 241515, 338121, 366745, 513443, 563535, 660141, 724545, 1014363, 1100235, 1540329, 1690605, 1980423, 2567215, 3300705, 4620987, 5071815, 5941269, 7701645, 9902115, 13862961, 23104935, 29706345, 41588883, 69314805, 207944415]

約数ペア:

[(1, 207944415), (3, 69314805), (5, 41588883), (7, 29706345), (9, 23104935), (15, 13862961), (21, 9902115), (27, 7701645), (35, 5941269), (41, 5071815), (45, 4620987), (63, 3300705), (81, 2567215), (105, 1980423), (123, 1690605), (135, 1540329), (189, 1100235), (205, 1014363), (287, 724545), (315, 660141), (369, 563535), (405, 513443), (567, 366745), (615, 338121), (861, 241515), (945, 220047), (1107, 187845), (1435, 144909), (1789, 116235), (1845, 112707), (2583, 80505), (2835, 73349), (3321, 62615), (4305, 48303), (5367, 38745), (5535, 37569), (7749, 26835), (8945, 23247), (12523, 16605), (12915, 16101)]