27890109

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 44844800

約数和(自身を除く): 16954691

約数列:

[1, 3, 9, 13, 27, 39, 117, 181, 351, 439, 543, 1317, 1629, 2353, 3951, 4887, 5707, 7059, 11853, 17121, 21177, 51363, 63531, 79459, 154089, 238377, 715131, 1032967, 2145393, 3098901, 9296703, 27890109]

約数ペア:

[(1, 27890109), (3, 9296703), (9, 3098901), (13, 2145393), (27, 1032967), (39, 715131), (117, 238377), (181, 154089), (351, 79459), (439, 63531), (543, 51363), (1317, 21177), (1629, 17121), (2353, 11853), (3951, 7059), (4887, 5707)]