26687985

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19991}}^1$

素因数の和:20088

約数の個数: 16

約数和(自身を含む): 43182720

約数和(自身を除く): 16494735

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 19991, 59973, 99955, 299865, 1779199, 5337597, 8895995, 26687985]

約数ペア:

[(1, 26687985), (3, 8895995), (5, 5337597), (15, 1779199), (89, 299865), (267, 99955), (445, 59973), (1335, 19991)]