201212991

素因数分解:

$3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4079}}^1$

素因数の和:4130

約数の個数: 48

約数和(自身を含む): 356428800

約数和(自身を除く): 155215809

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 567, 609, 783, 1701, 1827, 2349, 4079, 5481, 7047, 12237, 16443, 28553, 36711, 49329, 85659, 110133, 118291, 256977, 330399, 354873, 770931, 828037, 991197, 1064619, 2312793, 2484111, 3193857, 6938379, 7452333, 9581571, 22356999, 28744713, 67070997, 201212991]

約数ペア:

[(1, 201212991), (3, 67070997), (7, 28744713), (9, 22356999), (21, 9581571), (27, 7452333), (29, 6938379), (63, 3193857), (81, 2484111), (87, 2312793), (189, 1064619), (203, 991197), (243, 828037), (261, 770931), (567, 354873), (609, 330399), (783, 256977), (1701, 118291), (1827, 110133), (2349, 85659), (4079, 49329), (5481, 36711), (7047, 28553), (12237, 16443)]