201517881

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1153}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 299116800

約数和(自身を除く): 97598919

約数列:

[1, 3, 17, 23, 51, 69, 149, 391, 447, 1153, 1173, 2533, 3427, 3459, 7599, 10281, 19601, 26519, 58259, 58803, 79557, 171797, 174777, 450823, 515391, 1352469, 2920549, 3951331, 8761647, 11853993, 67172627, 201517881]

約数ペア:

[(1, 201517881), (3, 67172627), (17, 11853993), (23, 8761647), (51, 3951331), (69, 2920549), (149, 1352469), (391, 515391), (447, 450823), (1153, 174777), (1173, 171797), (2533, 79557), (3427, 58803), (3459, 58259), (7599, 26519), (10281, 19601)]