201883185

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{3391}}^1$

素因数の和:3425

約数の個数: 72

約数和(自身を含む): 422263296

約数和(自身を除く): 220380111

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 315, 405, 441, 567, 735, 945, 1215, 1323, 1701, 2205, 2835, 3391, 3969, 6615, 8505, 10173, 11907, 16955, 19845, 23737, 30519, 50865, 59535, 71211, 91557, 118685, 152595, 166159, 213633, 274671, 356055, 457785, 498477, 640899, 824013, 830795, 1068165, 1373355, 1495431, 1922697, 2492385, 3204495, 4120065, 4486293, 5768091, 7477155, 9613485, 13458879, 22431465, 28840455, 40376637, 67294395, 201883185]

約数ペア:

[(1, 201883185), (3, 67294395), (5, 40376637), (7, 28840455), (9, 22431465), (15, 13458879), (21, 9613485), (27, 7477155), (35, 5768091), (45, 4486293), (49, 4120065), (63, 3204495), (81, 2492385), (105, 1922697), (135, 1495431), (147, 1373355), (189, 1068165), (243, 830795), (245, 824013), (315, 640899), (405, 498477), (441, 457785), (567, 356055), (735, 274671), (945, 213633), (1215, 166159), (1323, 152595), (1701, 118685), (2205, 91557), (2835, 71211), (3391, 59535), (3969, 50865), (6615, 30519), (8505, 23737), (10173, 19845), (11907, 16955)]