57816981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 92664000

約数和(自身を除く): 34847019

約数列:

[1, 3, 9, 19, 29, 57, 87, 89, 131, 171, 261, 267, 393, 551, 801, 1179, 1653, 1691, 2489, 2581, 3799, 4959, 5073, 7467, 7743, 11397, 11659, 15219, 22401, 23229, 34191, 34977, 49039, 72181, 104931, 147117, 216543, 221521, 338111, 441351, 649629, 664563, 1014333, 1993689, 3042999, 6424109, 19272327, 57816981]

約数ペア:

[(1, 57816981), (3, 19272327), (9, 6424109), (19, 3042999), (29, 1993689), (57, 1014333), (87, 664563), (89, 649629), (131, 441351), (171, 338111), (261, 221521), (267, 216543), (393, 147117), (551, 104931), (801, 72181), (1179, 49039), (1653, 34977), (1691, 34191), (2489, 23229), (2581, 22401), (3799, 15219), (4959, 11659), (5073, 11397), (7467, 7743)]