1988541

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 3125304

約数和(自身を除く): 1136763

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 317, 369, 697, 951, 2091, 2853, 5389, 6273, 12997, 16167, 38991, 48501, 116973, 220949, 662847, 1988541]

約数ペア:

[(1, 1988541), (3, 662847), (9, 220949), (17, 116973), (41, 48501), (51, 38991), (123, 16167), (153, 12997), (317, 6273), (369, 5389), (697, 2853), (951, 2091)]