27997665

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 46227456

約数和(自身を除く): 18229791

約数列:

[1, 3, 5, 15, 47, 141, 151, 235, 263, 453, 705, 755, 789, 1315, 2265, 3945, 7097, 12361, 21291, 35485, 37083, 39713, 61805, 106455, 119139, 185415, 198565, 595695, 1866511, 5599533, 9332555, 27997665]

約数ペア:

[(1, 27997665), (3, 9332555), (5, 5599533), (15, 1866511), (47, 595695), (141, 198565), (151, 185415), (235, 119139), (263, 106455), (453, 61805), (705, 39713), (755, 37083), (789, 35485), (1315, 21291), (2265, 12361), (3945, 7097)]