31072815

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1051}}^1$

素因数の和:1141

約数の個数: 40

約数和(自身を含む): 56517648

約数和(自身を除く): 25444833

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 1051, 1095, 1971, 3153, 3285, 5255, 5913, 9459, 9855, 15765, 28377, 29565, 47295, 76723, 85131, 141885, 230169, 383615, 425655, 690507, 1150845, 2071521, 3452535, 6214563, 10357605, 31072815]

約数ペア:

[(1, 31072815), (3, 10357605), (5, 6214563), (9, 3452535), (15, 2071521), (27, 1150845), (45, 690507), (73, 425655), (81, 383615), (135, 230169), (219, 141885), (365, 85131), (405, 76723), (657, 47295), (1051, 29565), (1095, 28377), (1971, 15765), (3153, 9855), (3285, 9459), (5255, 5913)]