205120975239

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{204173}}^1$

素因数の和:204421

約数の個数: 40

約数和(自身を含む): 312271882560

約数和(自身を除く): 107150907321

約数列:

[1, 3, 9, 27, 79, 81, 157, 237, 471, 711, 1413, 2133, 4239, 6399, 12403, 12717, 37209, 111627, 204173, 334881, 612519, 1004643, 1837557, 5512671, 16129667, 16538013, 32055161, 48389001, 96165483, 145167003, 288496449, 435501009, 865489347, 1306503027, 2532357719, 2596468041, 7597073157, 22791219471, 68373658413, 205120975239]

約数ペア:

[(1, 205120975239), (3, 68373658413), (9, 22791219471), (27, 7597073157), (79, 2596468041), (81, 2532357719), (157, 1306503027), (237, 865489347), (471, 435501009), (711, 288496449), (1413, 145167003), (2133, 96165483), (4239, 48389001), (6399, 32055161), (12403, 16538013), (12717, 16129667), (37209, 5512671), (111627, 1837557), (204173, 1004643), (334881, 612519)]