2149207977

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{947}}^1\times {\mathrm{1613}}^1$

素因数の和:2637

約数の個数: 32

約数和(自身を含む): 3329436672

約数和(自身を除く): 1180228695

約数列:

[1, 3, 7, 21, 67, 201, 469, 947, 1407, 1613, 2841, 4839, 6629, 11291, 19887, 33873, 63449, 108071, 190347, 324213, 444143, 756497, 1332429, 1527511, 2269491, 4582533, 10692577, 32077731, 102343237, 307029711, 716402659, 2149207977]

約数ペア:

[(1, 2149207977), (3, 716402659), (7, 307029711), (21, 102343237), (67, 32077731), (201, 10692577), (469, 4582533), (947, 2269491), (1407, 1527511), (1613, 1332429), (2841, 756497), (4839, 444143), (6629, 324213), (11291, 190347), (19887, 108071), (33873, 63449)]