2021853141

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2557}}^1$

素因数の和:2751

約数の個数: 72

約数和(自身を含む): 3730300704

約数和(自身を除く): 1708447563

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 163, 231, 441, 489, 539, 693, 1141, 1467, 1617, 1793, 2557, 3423, 4851, 5379, 7671, 7987, 10269, 12551, 16137, 17899, 23013, 23961, 28127, 37653, 53697, 71883, 84381, 87857, 112959, 125293, 161091, 196889, 253143, 263571, 375879, 416791, 590667, 790713, 1127637, 1250373, 1378223, 1772001, 2917537, 3751119, 4134669, 4584701, 8752611, 12404007, 13754103, 20422759, 26257833, 32092907, 41262309, 61268277, 96278721, 183804831, 224650349, 288836163, 673951047, 2021853141]

約数ペア:

[(1, 2021853141), (3, 673951047), (7, 288836163), (9, 224650349), (11, 183804831), (21, 96278721), (33, 61268277), (49, 41262309), (63, 32092907), (77, 26257833), (99, 20422759), (147, 13754103), (163, 12404007), (231, 8752611), (441, 4584701), (489, 4134669), (539, 3751119), (693, 2917537), (1141, 1772001), (1467, 1378223), (1617, 1250373), (1793, 1127637), (2557, 790713), (3423, 590667), (4851, 416791), (5379, 375879), (7671, 263571), (7987, 253143), (10269, 196889), (12551, 161091), (16137, 125293), (17899, 112959), (23013, 87857), (23961, 84381), (28127, 71883), (37653, 53697)]