27790371

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2173

約数の個数: 40

約数和(自身を含む): 49530624

約数和(自身を除く): 21740253

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 2131, 4347, 6393, 13041, 14917, 19179, 44751, 49013, 57537, 134253, 147039, 172611, 343091, 402759, 441117, 1029273, 1208277, 1323351, 3087819, 3970053, 9263457, 27790371]

約数ペア:

[(1, 27790371), (3, 9263457), (7, 3970053), (9, 3087819), (21, 1323351), (23, 1208277), (27, 1029273), (63, 441117), (69, 402759), (81, 343091), (161, 172611), (189, 147039), (207, 134253), (483, 57537), (567, 49013), (621, 44751), (1449, 19179), (1863, 14917), (2131, 13041), (4347, 6393)]