121718997

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 201883200

約数和(自身を除く): 80164203

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 289, 323, 459, 513, 821, 867, 969, 2463, 2601, 2907, 5491, 7389, 7803, 8721, 13957, 15599, 16473, 22167, 41871, 46797, 49419, 125613, 140391, 148257, 237269, 265183, 376839, 421173, 711807, 795549, 2135421, 2386647, 4508111, 6406263, 7159941, 13524333, 40572999, 121718997]

約数ペア:

[(1, 121718997), (3, 40572999), (9, 13524333), (17, 7159941), (19, 6406263), (27, 4508111), (51, 2386647), (57, 2135421), (153, 795549), (171, 711807), (289, 421173), (323, 376839), (459, 265183), (513, 237269), (821, 148257), (867, 140391), (969, 125613), (2463, 49419), (2601, 46797), (2907, 41871), (5491, 22167), (7389, 16473), (7803, 15599), (8721, 13957)]