4187985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 6905664

約数和(自身を除く): 2717679

約数列:

[1, 3, 5, 15, 43, 129, 151, 215, 453, 645, 755, 1849, 2265, 5547, 6493, 9245, 19479, 27735, 32465, 97395, 279199, 837597, 1395995, 4187985]

約数ペア:

[(1, 4187985), (3, 1395995), (5, 837597), (15, 279199), (43, 97395), (129, 32465), (151, 27735), (215, 19479), (453, 9245), (645, 6493), (755, 5547), (1849, 2265)]