121257507

素因数分解:

$3^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{1879}}^1$

素因数の和:2335

約数の個数: 24

約数和(自身を含む): 188601600

約数和(自身を除く): 67344093

約数列:

[1, 3, 7, 21, 49, 147, 439, 1317, 1879, 3073, 5637, 9219, 13153, 21511, 39459, 64533, 92071, 276213, 824881, 2474643, 5774167, 17322501, 40419169, 121257507]

約数ペア:

[(1, 121257507), (3, 40419169), (7, 17322501), (21, 5774167), (49, 2474643), (147, 824881), (439, 276213), (1317, 92071), (1879, 64533), (3073, 39459), (5637, 21511), (9219, 13153)]