207142785

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{14897}}^1$

素因数の和:15014

約数の個数: 32

約数和(自身を含む): 371854080

約数和(自身を除く): 164711295

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635, 13905, 14897, 44691, 74485, 134073, 223455, 402219, 670365, 1534391, 2011095, 4603173, 7671955, 13809519, 23015865, 41428557, 69047595, 207142785]

約数ペア:

[(1, 207142785), (3, 69047595), (5, 41428557), (9, 23015865), (15, 13809519), (27, 7671955), (45, 4603173), (103, 2011095), (135, 1534391), (309, 670365), (515, 402219), (927, 223455), (1545, 134073), (2781, 74485), (4635, 44691), (13905, 14897)]