245055867

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{8689}}^1$

素因数の和:8795

約数の個数: 32

約数和(自身を含む): 400435200

約数和(自身を除く): 155379333

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 1343, 1659, 4029, 8689, 9401, 26067, 28203, 60823, 147713, 182469, 443139, 686431, 1033991, 2059293, 3101973, 4805017, 11669327, 14415051, 35007981, 81685289, 245055867]

約数ペア:

[(1, 245055867), (3, 81685289), (7, 35007981), (17, 14415051), (21, 11669327), (51, 4805017), (79, 3101973), (119, 2059293), (237, 1033991), (357, 686431), (553, 443139), (1343, 182469), (1659, 147713), (4029, 60823), (8689, 28203), (9401, 26067)]