28397853

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:410

約数の個数: 36

約数和(自身を含む): 45749340

約数和(自身を除く): 17351487

約数列:

[1, 3, 9, 11, 33, 89, 99, 121, 267, 293, 363, 801, 879, 979, 1089, 2637, 2937, 3223, 8811, 9669, 10769, 26077, 29007, 32307, 35453, 78231, 96921, 106359, 234693, 286847, 319077, 860541, 2581623, 3155317, 9465951, 28397853]

約数ペア:

[(1, 28397853), (3, 9465951), (9, 3155317), (11, 2581623), (33, 860541), (89, 319077), (99, 286847), (121, 234693), (267, 106359), (293, 96921), (363, 78231), (801, 35453), (879, 32307), (979, 29007), (1089, 26077), (2637, 10769), (2937, 9669), (3223, 8811)]