1208994381

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{57977}}^1$

素因数の和:58321

約数の個数: 24

約数和(自身を含む): 2001864384

約数和(自身を除く): 792870003

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6951, 20853, 57977, 173931, 405839, 521793, 1217517, 3652551, 19190387, 57571161, 134332709, 172713483, 402998127, 1208994381]

約数ペア:

[(1, 1208994381), (3, 402998127), (7, 172713483), (9, 134332709), (21, 57571161), (63, 19190387), (331, 3652551), (993, 1217517), (2317, 521793), (2979, 405839), (6951, 173931), (20853, 57977)]