77621247

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 128943360

約数和(自身を除く): 51322113

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 213, 243, 297, 409, 639, 781, 891, 1227, 1917, 2343, 2673, 3681, 4499, 5751, 7029, 11043, 13497, 17253, 21087, 29039, 33129, 40491, 63261, 87117, 99387, 121473, 189783, 261351, 319429, 364419, 784053, 958287, 1093257, 2352159, 2874861, 7056477, 8624583, 25873749, 77621247]

約数ペア:

[(1, 77621247), (3, 25873749), (9, 8624583), (11, 7056477), (27, 2874861), (33, 2352159), (71, 1093257), (81, 958287), (99, 784053), (213, 364419), (243, 319429), (297, 261351), (409, 189783), (639, 121473), (781, 99387), (891, 87117), (1227, 63261), (1917, 40491), (2343, 33129), (2673, 29039), (3681, 21087), (4499, 17253), (5751, 13497), (7029, 11043)]