27380367

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1388

約数の個数: 36

約数和(自身を含む): 47020896

約数和(自身を除く): 19640529

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 1321, 2303, 2961, 3963, 6909, 9247, 11889, 20727, 27741, 62087, 64729, 83223, 186261, 194187, 434609, 558783, 582561, 1303827, 3042263, 3911481, 9126789, 27380367]

約数ペア:

[(1, 27380367), (3, 9126789), (7, 3911481), (9, 3042263), (21, 1303827), (47, 582561), (49, 558783), (63, 434609), (141, 194187), (147, 186261), (329, 83223), (423, 64729), (441, 62087), (987, 27741), (1321, 20727), (2303, 11889), (2961, 9247), (3963, 6909)]