81648648

素因数分解:

$2^3\times 3^4\times {\mathrm{126001}}^1$

素因数の和:126019

約数の個数: 40

約数和(自身を含む): 228693630

約数和(自身を除く): 147044982

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 126001, 252002, 378003, 504004, 756006, 1008008, 1134009, 1512012, 2268018, 3024024, 3402027, 4536036, 6804054, 9072072, 10206081, 13608108, 20412162, 27216216, 40824324, 81648648]

約数ペア:

[(1, 81648648), (2, 40824324), (3, 27216216), (4, 20412162), (6, 13608108), (8, 10206081), (9, 9072072), (12, 6804054), (18, 4536036), (24, 3402027), (27, 3024024), (36, 2268018), (54, 1512012), (72, 1134009), (81, 1008008), (108, 756006), (162, 504004), (216, 378003), (324, 252002), (648, 126001)]