312120405

素因数分解:

$3^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2333}}^1$

素因数の和:3338

約数の個数: 32

約数和(自身を含む): 555678720

約数和(自身を除く): 243558315

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 991, 2333, 2973, 4955, 6999, 8919, 11665, 14865, 20997, 26757, 34995, 44595, 62991, 104985, 133785, 314955, 2312003, 6936009, 11560015, 20808027, 34680045, 62424081, 104040135, 312120405]

約数ペア:

[(1, 312120405), (3, 104040135), (5, 62424081), (9, 34680045), (15, 20808027), (27, 11560015), (45, 6936009), (135, 2312003), (991, 314955), (2333, 133785), (2973, 104985), (4955, 62991), (6999, 44595), (8919, 34995), (11665, 26757), (14865, 20997)]