397842015

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{5051}}^1$

素因数の和:5207

約数の個数: 32

約数和(自身を含む): 654739200

約数和(自身を除く): 256897185

約数列:

[1, 3, 5, 15, 59, 89, 177, 267, 295, 445, 885, 1335, 5051, 5251, 15153, 15753, 25255, 26255, 75765, 78765, 298009, 449539, 894027, 1348617, 1490045, 2247695, 4470135, 6743085, 26522801, 79568403, 132614005, 397842015]

約数ペア:

[(1, 397842015), (3, 132614005), (5, 79568403), (15, 26522801), (59, 6743085), (89, 4470135), (177, 2247695), (267, 1490045), (295, 1348617), (445, 894027), (885, 449539), (1335, 298009), (5051, 78765), (5251, 75765), (15153, 26255), (15753, 25255)]