215399637

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{26801}}^1$

素因数の和:26873

約数の個数: 24

約数和(自身を含む): 334488960

約数和(自身を除く): 119089323

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 8037, 26801, 80403, 241209, 509219, 1259647, 1527657, 3778941, 4582971, 11336823, 23933293, 71799879, 215399637]

約数ペア:

[(1, 215399637), (3, 71799879), (9, 23933293), (19, 11336823), (47, 4582971), (57, 3778941), (141, 1527657), (171, 1259647), (423, 509219), (893, 241209), (2679, 80403), (8037, 26801)]