28673505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{401}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 57193344

約数和(自身を除く): 28519839

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 227, 315, 401, 681, 1135, 1203, 1589, 2005, 2043, 2807, 3405, 3609, 4767, 6015, 7945, 8421, 10215, 14035, 14301, 18045, 23835, 25263, 42105, 71505, 91027, 126315, 273081, 455135, 637189, 819243, 1365405, 1911567, 3185945, 4096215, 5734701, 9557835, 28673505]

約数ペア:

[(1, 28673505), (3, 9557835), (5, 5734701), (7, 4096215), (9, 3185945), (15, 1911567), (21, 1365405), (35, 819243), (45, 637189), (63, 455135), (105, 273081), (227, 126315), (315, 91027), (401, 71505), (681, 42105), (1135, 25263), (1203, 23835), (1589, 18045), (2005, 14301), (2043, 14035), (2807, 10215), (3405, 8421), (3609, 7945), (4767, 6015)]