27972819

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14323}}^1$

素因数の和:14367

約数の個数: 24

約数和(自身を含む): 47670272

約数和(自身を除く): 19697453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 14323, 42969, 100261, 128907, 300783, 444013, 902349, 1332039, 3108091, 3996117, 9324273, 27972819]

約数ペア:

[(1, 27972819), (3, 9324273), (7, 3996117), (9, 3108091), (21, 1332039), (31, 902349), (63, 444013), (93, 300783), (217, 128907), (279, 100261), (651, 42969), (1953, 14323)]