201795561

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 339655680

約数和(自身を除く): 137860119

約数列:

[1, 3, 9, 11, 19, 33, 57, 71, 99, 171, 209, 213, 627, 639, 781, 1349, 1511, 1881, 2343, 4047, 4533, 7029, 12141, 13599, 14839, 16621, 28709, 44517, 49863, 86127, 107281, 133551, 149589, 258381, 315799, 321843, 947397, 965529, 1180091, 2038339, 2842191, 3540273, 6115017, 10620819, 18345051, 22421729, 67265187, 201795561]

約数ペア:

[(1, 201795561), (3, 67265187), (9, 22421729), (11, 18345051), (19, 10620819), (33, 6115017), (57, 3540273), (71, 2842191), (99, 2038339), (171, 1180091), (209, 965529), (213, 947397), (627, 321843), (639, 315799), (781, 258381), (1349, 149589), (1511, 133551), (1881, 107281), (2343, 86127), (4047, 49863), (4533, 44517), (7029, 28709), (12141, 16621), (13599, 14839)]