1290228723

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{1013}}^1$

素因数の和:1345

約数の個数: 64

約数和(自身を含む): 2289530880

約数和(自身を除く): 999302157

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 293, 483, 621, 879, 1013, 1449, 2051, 2637, 3039, 4347, 6153, 6739, 7091, 7911, 9117, 18459, 20217, 21273, 23299, 27351, 47173, 55377, 60651, 63819, 69897, 141519, 163093, 181953, 191457, 209691, 296809, 424557, 489279, 629073, 890427, 1273671, 1467837, 2077663, 2671281, 4403511, 6232989, 6826607, 8013843, 18698967, 20479821, 47786249, 56096901, 61439463, 143358747, 184318389, 430076241, 1290228723]

約数ペア:

[(1, 1290228723), (3, 430076241), (7, 184318389), (9, 143358747), (21, 61439463), (23, 56096901), (27, 47786249), (63, 20479821), (69, 18698967), (161, 8013843), (189, 6826607), (207, 6232989), (293, 4403511), (483, 2671281), (621, 2077663), (879, 1467837), (1013, 1273671), (1449, 890427), (2051, 629073), (2637, 489279), (3039, 424557), (4347, 296809), (6153, 209691), (6739, 191457), (7091, 181953), (7911, 163093), (9117, 141519), (18459, 69897), (20217, 63819), (21273, 60651), (23299, 55377), (27351, 47173)]