2783140311

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2789}}^1$

素因数の和:2920

約数の個数: 64

約数和(自身を含む): 4649702400

約数和(自身を除く): 1866562089

約数列:

[1, 3, 7, 19, 21, 41, 57, 61, 123, 133, 183, 287, 399, 427, 779, 861, 1159, 1281, 2337, 2501, 2789, 3477, 5453, 7503, 8113, 8367, 16359, 17507, 19523, 24339, 47519, 52521, 52991, 58569, 114349, 142557, 158973, 170129, 332633, 343047, 370937, 510387, 800443, 997899, 1112811, 1190903, 2172631, 2401329, 3232451, 3572709, 6517893, 6975289, 9697353, 15208417, 20925867, 22627157, 45625251, 48827023, 67881471, 132530491, 146481069, 397591473, 927713437, 2783140311]

約数ペア:

[(1, 2783140311), (3, 927713437), (7, 397591473), (19, 146481069), (21, 132530491), (41, 67881471), (57, 48827023), (61, 45625251), (123, 22627157), (133, 20925867), (183, 15208417), (287, 9697353), (399, 6975289), (427, 6517893), (779, 3572709), (861, 3232451), (1159, 2401329), (1281, 2172631), (2337, 1190903), (2501, 1112811), (2789, 997899), (3477, 800443), (5453, 510387), (7503, 370937), (8113, 343047), (8367, 332633), (16359, 170129), (17507, 158973), (19523, 142557), (24339, 114349), (47519, 58569), (52521, 52991)]