216173697

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 311731200

約数和(自身を除く): 95557503

約数列:

[1, 3, 19, 53, 57, 159, 163, 439, 489, 1007, 1317, 3021, 3097, 8341, 8639, 9291, 23267, 25023, 25917, 69801, 71557, 164141, 214671, 442073, 492423, 1326219, 1359583, 3792521, 4078749, 11377563, 72057899, 216173697]

約数ペア:

[(1, 216173697), (3, 72057899), (19, 11377563), (53, 4078749), (57, 3792521), (159, 1359583), (163, 1326219), (439, 492423), (489, 442073), (1007, 214671), (1317, 164141), (3021, 71557), (3097, 69801), (8341, 25917), (8639, 25023), (9291, 23267)]