17889753

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{929}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 27989280

約数和(自身を除く): 10099527

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 929, 2751, 2787, 6419, 6503, 19257, 19509, 45521, 121699, 136563, 365097, 851893, 2555679, 5963251, 17889753]

約数ペア:

[(1, 17889753), (3, 5963251), (7, 2555679), (21, 851893), (49, 365097), (131, 136563), (147, 121699), (393, 45521), (917, 19509), (929, 19257), (2751, 6503), (2787, 6419)]