207997839

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1237}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 366170688

約数和(自身を除く): 158172849

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 157, 357, 471, 1071, 1099, 1237, 1413, 2669, 3297, 3711, 8007, 8659, 9891, 11133, 18683, 21029, 24021, 25977, 56049, 63087, 77931, 147203, 168147, 189261, 194209, 441609, 582627, 1324827, 1359463, 1747881, 3301553, 4078389, 9904659, 12235167, 23110871, 29713977, 69332613, 207997839]

約数ペア:

[(1, 207997839), (3, 69332613), (7, 29713977), (9, 23110871), (17, 12235167), (21, 9904659), (51, 4078389), (63, 3301553), (119, 1747881), (153, 1359463), (157, 1324827), (357, 582627), (471, 441609), (1071, 194209), (1099, 189261), (1237, 168147), (1413, 147203), (2669, 77931), (3297, 63087), (3711, 56049), (8007, 25977), (8659, 24021), (9891, 21029), (11133, 18683)]