142887321

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1031}}^1$

素因数の和:1131

約数の個数: 40

約数和(自身を含む): 224769600

約数和(自身を除く): 81882279

約数列:

[1, 3, 9, 27, 29, 59, 81, 87, 177, 261, 531, 783, 1031, 1593, 1711, 2349, 3093, 4779, 5133, 9279, 15399, 27837, 29899, 46197, 60829, 83511, 89697, 138591, 182487, 269091, 547461, 807273, 1642383, 1764041, 2421819, 4927149, 5292123, 15876369, 47629107, 142887321]

約数ペア:

[(1, 142887321), (3, 47629107), (9, 15876369), (27, 5292123), (29, 4927149), (59, 2421819), (81, 1764041), (87, 1642383), (177, 807273), (261, 547461), (531, 269091), (783, 182487), (1031, 138591), (1593, 89697), (1711, 83511), (2349, 60829), (3093, 46197), (4779, 29899), (5133, 27837), (9279, 15399)]