26618991

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 43296768

約数和(自身を除く): 16677777

約数列:

[1, 3, 7, 17, 21, 51, 119, 173, 357, 431, 519, 1211, 1293, 2941, 3017, 3633, 7327, 8823, 9051, 20587, 21981, 51289, 61761, 74563, 153867, 223689, 521941, 1267571, 1565823, 3802713, 8872997, 26618991]

約数ペア:

[(1, 26618991), (3, 8872997), (7, 3802713), (17, 1565823), (21, 1267571), (51, 521941), (119, 223689), (173, 153867), (357, 74563), (431, 61761), (519, 51289), (1211, 21981), (1293, 20587), (2941, 9051), (3017, 8823), (3633, 7327)]