1248603417

素因数分解:

$3^4\times {\mathrm{881}}^1\times {\mathrm{17497}}^1$

素因数の和:18390

約数の個数: 20

約数和(自身を含む): 1867421556

約数和(自身を除く): 618818139

約数列:

[1, 3, 9, 27, 81, 881, 2643, 7929, 17497, 23787, 52491, 71361, 157473, 472419, 1417257, 15414857, 46244571, 138733713, 416201139, 1248603417]

約数ペア:

[(1, 1248603417), (3, 416201139), (9, 138733713), (27, 46244571), (81, 15414857), (881, 1417257), (2643, 472419), (7929, 157473), (17497, 71361), (23787, 52491)]