644559093

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{347}}^1\times {\mathrm{773}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 969667200

約数和(自身を除く): 325108107

約数列:

[1, 3, 9, 27, 89, 267, 347, 773, 801, 1041, 2319, 2403, 3123, 6957, 9369, 20871, 30883, 68797, 92649, 206391, 268231, 277947, 619173, 804693, 833841, 1857519, 2414079, 7242237, 23872559, 71617677, 214853031, 644559093]

約数ペア:

[(1, 644559093), (3, 214853031), (9, 71617677), (27, 23872559), (89, 7242237), (267, 2414079), (347, 1857519), (773, 833841), (801, 804693), (1041, 619173), (2319, 277947), (2403, 268231), (3123, 206391), (6957, 92649), (9369, 68797), (20871, 30883)]