81945594

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:449

約数の個数: 80

約数和(自身を含む): 196310400

約数和(自身を除く): 114364806

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 79, 81, 114, 158, 162, 171, 237, 337, 342, 474, 513, 674, 711, 1011, 1026, 1422, 1501, 1539, 2022, 2133, 3002, 3033, 3078, 4266, 4503, 6066, 6399, 6403, 9006, 9099, 12798, 12806, 13509, 18198, 19209, 26623, 27018, 27297, 38418, 40527, 53246, 54594, 57627, 79869, 81054, 115254, 121581, 159738, 172881, 239607, 243162, 345762, 479214, 505837, 518643, 718821, 1011674, 1037286, 1437642, 1517511, 2156463, 3035022, 4312926, 4552533, 9105066, 13657599, 27315198, 40972797, 81945594]

約数ペア:

[(1, 81945594), (2, 40972797), (3, 27315198), (6, 13657599), (9, 9105066), (18, 4552533), (19, 4312926), (27, 3035022), (38, 2156463), (54, 1517511), (57, 1437642), (79, 1037286), (81, 1011674), (114, 718821), (158, 518643), (162, 505837), (171, 479214), (237, 345762), (337, 243162), (342, 239607), (474, 172881), (513, 159738), (674, 121581), (711, 115254), (1011, 81054), (1026, 79869), (1422, 57627), (1501, 54594), (1539, 53246), (2022, 40527), (2133, 38418), (3002, 27297), (3033, 27018), (3078, 26623), (4266, 19209), (4503, 18198), (6066, 13509), (6399, 12806), (6403, 12798), (9006, 9099)]