28137417

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17401}}^1$

素因数の和:17429

約数の個数: 24

約数和(自身を含む): 47611872

約数和(自身を除く): 19474455

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17401, 52203, 121807, 191411, 365421, 574233, 852649, 1339877, 2557947, 4019631, 9379139, 28137417]

約数ペア:

[(1, 28137417), (3, 9379139), (7, 4019631), (11, 2557947), (21, 1339877), (33, 852649), (49, 574233), (77, 365421), (147, 191411), (231, 121807), (539, 52203), (1617, 17401)]