308705439

素因数分解:

$3^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{5237}}^1$

素因数の和:5655

約数の個数: 24

約数和(自身を含む): 480094128

約数和(自身を除く): 171388689

約数列:

[1, 3, 7, 21, 49, 147, 401, 1203, 2807, 5237, 8421, 15711, 19649, 36659, 58947, 109977, 256613, 769839, 2100037, 6300111, 14700259, 44100777, 102901813, 308705439]

約数ペア:

[(1, 308705439), (3, 102901813), (7, 44100777), (21, 14700259), (49, 6300111), (147, 2100037), (401, 769839), (1203, 256613), (2807, 109977), (5237, 58947), (8421, 36659), (15711, 19649)]