13390821

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 20049120

約数和(自身を除く): 6658299

約数列:

[1, 3, 9, 53, 67, 159, 201, 419, 477, 603, 1257, 3551, 3771, 10653, 22207, 28073, 31959, 66621, 84219, 199863, 252657, 1487869, 4463607, 13390821]

約数ペア:

[(1, 13390821), (3, 4463607), (9, 1487869), (53, 252657), (67, 199863), (159, 84219), (201, 66621), (419, 31959), (477, 28073), (603, 22207), (1257, 10653), (3551, 3771)]