81970866

素因数分解:

$2^1\times 3^4\times {\mathrm{487}}^1\times {\mathrm{1039}}^1$

素因数の和:1540

約数の個数: 40

約数和(自身を含む): 184229760

約数和(自身を除く): 102258894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 487, 974, 1039, 1461, 2078, 2922, 3117, 4383, 6234, 8766, 9351, 13149, 18702, 26298, 28053, 39447, 56106, 78894, 84159, 168318, 505993, 1011986, 1517979, 3035958, 4553937, 9107874, 13661811, 27323622, 40985433, 81970866]

約数ペア:

[(1, 81970866), (2, 40985433), (3, 27323622), (6, 13661811), (9, 9107874), (18, 4553937), (27, 3035958), (54, 1517979), (81, 1011986), (162, 505993), (487, 168318), (974, 84159), (1039, 78894), (1461, 56106), (2078, 39447), (2922, 28053), (3117, 26298), (4383, 18702), (6234, 13149), (8766, 9351)]