289642905

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 530841600

約数和(自身を除く): 241198695

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 191, 235, 239, 423, 573, 705, 717, 955, 1195, 1269, 1719, 2115, 2151, 2865, 3585, 5157, 6345, 6453, 8595, 8977, 10755, 11233, 25785, 26931, 32265, 33699, 44885, 45649, 56165, 80793, 101097, 134655, 136947, 168495, 228245, 242379, 303291, 403965, 410841, 505485, 684735, 1211895, 1232523, 1516455, 2054205, 2145503, 6162615, 6436509, 10727515, 19309527, 32182545, 57928581, 96547635, 289642905]

約数ペア:

[(1, 289642905), (3, 96547635), (5, 57928581), (9, 32182545), (15, 19309527), (27, 10727515), (45, 6436509), (47, 6162615), (135, 2145503), (141, 2054205), (191, 1516455), (235, 1232523), (239, 1211895), (423, 684735), (573, 505485), (705, 410841), (717, 403965), (955, 303291), (1195, 242379), (1269, 228245), (1719, 168495), (2115, 136947), (2151, 134655), (2865, 101097), (3585, 80793), (5157, 56165), (6345, 45649), (6453, 44885), (8595, 33699), (8977, 32265), (10755, 26931), (11233, 25785)]