201877893

素因数分解:

$3^3\times 7^2\times {\mathrm{331}}^1\times {\mathrm{461}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 349715520

約数和(自身を除く): 147837627

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 331, 441, 461, 993, 1323, 1383, 2317, 2979, 3227, 4149, 6951, 8937, 9681, 12447, 16219, 20853, 22589, 29043, 48657, 62559, 67767, 87129, 145971, 152591, 203301, 437913, 457773, 609903, 1068137, 1373319, 3204411, 4119957, 7476959, 9613233, 22430877, 28839699, 67292631, 201877893]

約数ペア:

[(1, 201877893), (3, 67292631), (7, 28839699), (9, 22430877), (21, 9613233), (27, 7476959), (49, 4119957), (63, 3204411), (147, 1373319), (189, 1068137), (331, 609903), (441, 457773), (461, 437913), (993, 203301), (1323, 152591), (1383, 145971), (2317, 87129), (2979, 67767), (3227, 62559), (4149, 48657), (6951, 29043), (8937, 22589), (9681, 20853), (12447, 16219)]