2780495613

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{2551}}^1$

素因数の和:2719

約数の個数: 64

約数和(自身を含む): 4834508800

約数和(自身を除く): 2054013187

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 79, 189, 219, 237, 511, 553, 657, 711, 1533, 1659, 1971, 2133, 2551, 4599, 4977, 5767, 7653, 13797, 14931, 17301, 17857, 22959, 40369, 51903, 53571, 68877, 121107, 155709, 160713, 186223, 201529, 363321, 482139, 558669, 604587, 1089963, 1303561, 1410703, 1676007, 1813761, 3910683, 4232109, 5028021, 5441283, 11732049, 12696327, 14711617, 35196147, 38088981, 44134851, 102981319, 132404553, 308943957, 397213659, 926831871, 2780495613]

約数ペア:

[(1, 2780495613), (3, 926831871), (7, 397213659), (9, 308943957), (21, 132404553), (27, 102981319), (63, 44134851), (73, 38088981), (79, 35196147), (189, 14711617), (219, 12696327), (237, 11732049), (511, 5441283), (553, 5028021), (657, 4232109), (711, 3910683), (1533, 1813761), (1659, 1676007), (1971, 1410703), (2133, 1303561), (2551, 1089963), (4599, 604587), (4977, 558669), (5767, 482139), (7653, 363321), (13797, 201529), (14931, 186223), (17301, 160713), (17857, 155709), (22959, 121107), (40369, 68877), (51903, 53571)]