19710075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3413}}^1$

素因数の和:3444

約数の個数: 48

約数和(自身を含む): 40640256

約数和(自身を除く): 20930181

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 3413, 5775, 10239, 17065, 23891, 37543, 51195, 71673, 85325, 112629, 119455, 187715, 255975, 262801, 358365, 563145, 597275, 788403, 938575, 1314005, 1791825, 2815725, 3942015, 6570025, 19710075]

約数ペア:

[(1, 19710075), (3, 6570025), (5, 3942015), (7, 2815725), (11, 1791825), (15, 1314005), (21, 938575), (25, 788403), (33, 597275), (35, 563145), (55, 358365), (75, 262801), (77, 255975), (105, 187715), (165, 119455), (175, 112629), (231, 85325), (275, 71673), (385, 51195), (525, 37543), (825, 23891), (1155, 17065), (1925, 10239), (3413, 5775)]