28309473

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 43476480

約数和(自身を除く): 15167007

約数列:

[1, 3, 9, 27, 53, 73, 159, 219, 271, 477, 657, 813, 1431, 1971, 2439, 3869, 7317, 11607, 14363, 19783, 34821, 43089, 59349, 104463, 129267, 178047, 387801, 534141, 1048499, 3145497, 9436491, 28309473]

約数ペア:

[(1, 28309473), (3, 9436491), (9, 3145497), (27, 1048499), (53, 534141), (73, 387801), (159, 178047), (219, 129267), (271, 104463), (477, 59349), (657, 43089), (813, 34821), (1431, 19783), (1971, 14363), (2439, 11607), (3869, 7317)]