207968775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20888

約数の個数: 48

約数和(自身を含む): 413664000

約数和(自身を除く): 205695225

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975, 20849, 62547, 104245, 145943, 312735, 396131, 437829, 521225, 729715, 1188393, 1563675, 1980655, 2189145, 2772917, 3648575, 5941965, 8318751, 9903275, 10945725, 13864585, 29709825, 41593755, 69322925, 207968775]

約数ペア:

[(1, 207968775), (3, 69322925), (5, 41593755), (7, 29709825), (15, 13864585), (19, 10945725), (21, 9903275), (25, 8318751), (35, 5941965), (57, 3648575), (75, 2772917), (95, 2189145), (105, 1980655), (133, 1563675), (175, 1188393), (285, 729715), (399, 521225), (475, 437829), (525, 396131), (665, 312735), (1425, 145943), (1995, 104245), (3325, 62547), (9975, 20849)]