217654893

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{23321}}^1$

素因数の和:23405

約数の個数: 24

約数和(自身を含む): 338355576

約数和(自身を除く): 120700683

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 3111, 9333, 23321, 69963, 209889, 396457, 1189371, 1422581, 3568113, 4267743, 12803229, 24183877, 72551631, 217654893]

約数ペア:

[(1, 217654893), (3, 72551631), (9, 24183877), (17, 12803229), (51, 4267743), (61, 3568113), (153, 1422581), (183, 1189371), (549, 396457), (1037, 209889), (3111, 69963), (9333, 23321)]