847855215

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 1538726400

約数和(自身を除く): 690871185

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 227, 365, 379, 657, 681, 1095, 1135, 1137, 1895, 1971, 2043, 3285, 3405, 3411, 5685, 6129, 9855, 10215, 10233, 16571, 17055, 27667, 30645, 49713, 51165, 82855, 83001, 86033, 138335, 149139, 248565, 249003, 258099, 415005, 430165, 447417, 745695, 747009, 774297, 1245015, 1290495, 2237085, 2322891, 3735045, 3871485, 6280409, 11614455, 18841227, 31402045, 56523681, 94206135, 169571043, 282618405, 847855215]

約数ペア:

[(1, 847855215), (3, 282618405), (5, 169571043), (9, 94206135), (15, 56523681), (27, 31402045), (45, 18841227), (73, 11614455), (135, 6280409), (219, 3871485), (227, 3735045), (365, 2322891), (379, 2237085), (657, 1290495), (681, 1245015), (1095, 774297), (1135, 747009), (1137, 745695), (1895, 447417), (1971, 430165), (2043, 415005), (3285, 258099), (3405, 249003), (3411, 248565), (5685, 149139), (6129, 138335), (9855, 86033), (10215, 83001), (10233, 82855), (16571, 51165), (17055, 49713), (27667, 30645)]