81298215

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{26183}}^1$

素因数の和:26220

約数の個数: 32

約数和(自身を含む): 150819840

約数和(自身を除く): 69521625

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 26183, 78549, 130915, 235647, 392745, 602209, 706941, 1178235, 1806627, 3011045, 3534705, 5419881, 9033135, 16259643, 27099405, 81298215]

約数ペア:

[(1, 81298215), (3, 27099405), (5, 16259643), (9, 9033135), (15, 5419881), (23, 3534705), (27, 3011045), (45, 1806627), (69, 1178235), (115, 706941), (135, 602209), (207, 392745), (345, 235647), (621, 130915), (1035, 78549), (3105, 26183)]