739688679

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{587}}^1$

素因数の和:977

約数の個数: 40

約数和(自身を含む): 1133814528

約数和(自身を除く): 394125849

約数列:

[1, 3, 9, 27, 47, 81, 141, 331, 423, 587, 993, 1269, 1761, 2979, 3807, 5283, 8937, 15557, 15849, 26811, 27589, 46671, 47547, 82767, 140013, 194297, 248301, 420039, 582891, 744903, 1260117, 1748673, 2234709, 5246019, 9131959, 15738057, 27395877, 82187631, 246562893, 739688679]

約数ペア:

[(1, 739688679), (3, 246562893), (9, 82187631), (27, 27395877), (47, 15738057), (81, 9131959), (141, 5246019), (331, 2234709), (423, 1748673), (587, 1260117), (993, 744903), (1269, 582891), (1761, 420039), (2979, 248301), (3807, 194297), (5283, 140013), (8937, 82767), (15557, 47547), (15849, 46671), (26811, 27589)]