381664275

素因数分解:

$3^1\times 5^2\times {\mathrm{257}}^1\times {\mathrm{19801}}^1$

素因数の和:20071

約数の個数: 24

約数和(自身を含む): 633505584

約数和(自身を除く): 251841309

約数列:

[1, 3, 5, 15, 25, 75, 257, 771, 1285, 3855, 6425, 19275, 19801, 59403, 99005, 297015, 495025, 1485075, 5088857, 15266571, 25444285, 76332855, 127221425, 381664275]

約数ペア:

[(1, 381664275), (3, 127221425), (5, 76332855), (15, 25444285), (25, 15266571), (75, 5088857), (257, 1485075), (771, 495025), (1285, 297015), (3855, 99005), (6425, 59403), (19275, 19801)]