216403929

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{64811}}^1$

素因数の和:64877

約数の個数: 24

約数和(自身を含む): 363984192

約数和(自身を除く): 147580263

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 64811, 194433, 453677, 583299, 1361031, 3434983, 4083093, 10304949, 24044881, 30914847, 72134643, 216403929]

約数ペア:

[(1, 216403929), (3, 72134643), (7, 30914847), (9, 24044881), (21, 10304949), (53, 4083093), (63, 3434983), (159, 1361031), (371, 583299), (477, 453677), (1113, 194433), (3339, 64811)]