2912778765

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{72161}}^1$

素因数の和:72211

約数の個数: 64

約数和(自身を含む): 5819143680

約数和(自身を除く): 2906364915

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 897, 1035, 1495, 1755, 2691, 3105, 4485, 8073, 13455, 40365, 72161, 216483, 360805, 649449, 938093, 1082415, 1659703, 1948347, 2814279, 3247245, 4690465, 4979109, 8298515, 8442837, 9741735, 14071395, 14937327, 21576139, 24895545, 25328511, 42214185, 44811981, 64728417, 74686635, 107880695, 126642555, 194185251, 224059905, 323642085, 582555753, 970926255, 2912778765]

約数ペア:

[(1, 2912778765), (3, 970926255), (5, 582555753), (9, 323642085), (13, 224059905), (15, 194185251), (23, 126642555), (27, 107880695), (39, 74686635), (45, 64728417), (65, 44811981), (69, 42214185), (115, 25328511), (117, 24895545), (135, 21576139), (195, 14937327), (207, 14071395), (299, 9741735), (345, 8442837), (351, 8298515), (585, 4979109), (621, 4690465), (897, 3247245), (1035, 2814279), (1495, 1948347), (1755, 1659703), (2691, 1082415), (3105, 938093), (4485, 649449), (8073, 360805), (13455, 216483), (40365, 72161)]