217416639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2647}}^1$

素因数の和:2811

約数の個数: 32

約数和(自身を含む): 335554560

約数和(自身を除く): 118137921

約数列:

[1, 3, 11, 19, 33, 57, 131, 209, 393, 627, 1441, 2489, 2647, 4323, 7467, 7941, 27379, 29117, 50293, 82137, 87351, 150879, 346757, 553223, 1040271, 1659669, 3814327, 6588383, 11442981, 19765149, 72472213, 217416639]

約数ペア:

[(1, 217416639), (3, 72472213), (11, 19765149), (19, 11442981), (33, 6588383), (57, 3814327), (131, 1659669), (209, 1040271), (393, 553223), (627, 346757), (1441, 150879), (2489, 87351), (2647, 82137), (4323, 50293), (7467, 29117), (7941, 27379)]