217156635

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1097}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 388481184

約数和(自身を除く): 171324549

約数列:

[1, 3, 5, 9, 15, 45, 53, 83, 159, 249, 265, 415, 477, 747, 795, 1097, 1245, 2385, 3291, 3735, 4399, 5485, 9873, 13197, 16455, 21995, 39591, 49365, 58141, 65985, 91051, 174423, 197955, 273153, 290705, 455255, 523269, 819459, 872115, 1365765, 2616345, 4097295, 4825703, 14477109, 24128515, 43431327, 72385545, 217156635]

約数ペア:

[(1, 217156635), (3, 72385545), (5, 43431327), (9, 24128515), (15, 14477109), (45, 4825703), (53, 4097295), (83, 2616345), (159, 1365765), (249, 872115), (265, 819459), (415, 523269), (477, 455255), (747, 290705), (795, 273153), (1097, 197955), (1245, 174423), (2385, 91051), (3291, 65985), (3735, 58141), (4399, 49365), (5485, 39591), (9873, 21995), (13197, 16455)]