20154076317

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{356981}}^1$

素因数の和:357051

約数の個数: 40

約数和(自身を含む): 32655285432

約数和(自身を除く): 12501209115

約数列:

[1, 3, 9, 17, 27, 41, 51, 81, 123, 153, 369, 459, 697, 1107, 1377, 2091, 3321, 6273, 18819, 56457, 356981, 1070943, 3212829, 6068677, 9638487, 14636221, 18206031, 28915461, 43908663, 54618093, 131725989, 163854279, 248815757, 395177967, 491562837, 746447271, 1185533901, 2239341813, 6718025439, 20154076317]

約数ペア:

[(1, 20154076317), (3, 6718025439), (9, 2239341813), (17, 1185533901), (27, 746447271), (41, 491562837), (51, 395177967), (81, 248815757), (123, 163854279), (153, 131725989), (369, 54618093), (459, 43908663), (697, 28915461), (1107, 18206031), (1377, 14636221), (2091, 9638487), (3321, 6068677), (6273, 3212829), (18819, 1070943), (56457, 356981)]