258133797

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 420837120

約数和(自身を除く): 162703323

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 131, 153, 159, 243, 393, 459, 477, 729, 901, 1179, 1377, 1431, 2187, 2227, 2703, 3537, 4131, 4293, 6681, 6943, 8109, 10611, 12393, 12879, 20043, 20829, 24327, 31833, 37179, 38637, 60129, 62487, 72981, 95499, 115911, 118031, 180387, 187461, 218943, 286497, 354093, 541161, 562383, 656829, 1062279, 1623483, 1687149, 1970487, 3186837, 4870449, 5061447, 9560511, 15184341, 28681533, 86044599, 258133797]

約数ペア:

[(1, 258133797), (3, 86044599), (9, 28681533), (17, 15184341), (27, 9560511), (51, 5061447), (53, 4870449), (81, 3186837), (131, 1970487), (153, 1687149), (159, 1623483), (243, 1062279), (393, 656829), (459, 562383), (477, 541161), (729, 354093), (901, 286497), (1179, 218943), (1377, 187461), (1431, 180387), (2187, 118031), (2227, 115911), (2703, 95499), (3537, 72981), (4131, 62487), (4293, 60129), (6681, 38637), (6943, 37179), (8109, 31833), (10611, 24327), (12393, 20829), (12879, 20043)]