15797997

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 40

約数和(自身を含む): 24881472

約数和(自身を除く): 9083475

約数列:

[1, 3, 9, 27, 41, 67, 71, 81, 123, 201, 213, 369, 603, 639, 1107, 1809, 1917, 2747, 2911, 3321, 4757, 5427, 5751, 8241, 8733, 14271, 24723, 26199, 42813, 74169, 78597, 128439, 195037, 222507, 235791, 385317, 585111, 1755333, 5265999, 15797997]

約数ペア:

[(1, 15797997), (3, 5265999), (9, 1755333), (27, 585111), (41, 385317), (67, 235791), (71, 222507), (81, 195037), (123, 128439), (201, 78597), (213, 74169), (369, 42813), (603, 26199), (639, 24723), (1107, 14271), (1809, 8733), (1917, 8241), (2747, 5751), (2911, 5427), (3321, 4757)]