47393991

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 74850048

約数和(自身を除く): 27456057

約数列:

[1, 3, 9, 27, 41, 67, 71, 81, 123, 201, 213, 243, 369, 603, 639, 1107, 1809, 1917, 2747, 2911, 3321, 4757, 5427, 5751, 8241, 8733, 9963, 14271, 16281, 17253, 24723, 26199, 42813, 74169, 78597, 128439, 195037, 222507, 235791, 385317, 585111, 667521, 707373, 1155951, 1755333, 5265999, 15797997, 47393991]

約数ペア:

[(1, 47393991), (3, 15797997), (9, 5265999), (27, 1755333), (41, 1155951), (67, 707373), (71, 667521), (81, 585111), (123, 385317), (201, 235791), (213, 222507), (243, 195037), (369, 128439), (603, 78597), (639, 74169), (1107, 42813), (1809, 26199), (1917, 24723), (2747, 17253), (2911, 16281), (3321, 14271), (4757, 9963), (5427, 8733), (5751, 8241)]