1285451685

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{240047}}^1$

素因数の和:240082

約数の個数: 48

約数和(自身を含む): 2696219136

約数和(自身を除く): 1410767451

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5355, 240047, 720141, 1200235, 1680329, 2160423, 3600705, 4080799, 5040987, 8401645, 10802115, 12242397, 15122961, 20403995, 25204935, 28565593, 36727191, 61211985, 75614805, 85696779, 142827965, 183635955, 257090337, 428483895, 1285451685]

約数ペア:

[(1, 1285451685), (3, 428483895), (5, 257090337), (7, 183635955), (9, 142827965), (15, 85696779), (17, 75614805), (21, 61211985), (35, 36727191), (45, 28565593), (51, 25204935), (63, 20403995), (85, 15122961), (105, 12242397), (119, 10802115), (153, 8401645), (255, 5040987), (315, 4080799), (357, 3600705), (595, 2160423), (765, 1680329), (1071, 1200235), (1785, 720141), (5355, 240047)]