138291279

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{30347}}^1$

素因数の和:30395

約数の個数: 24

約数和(自身を含む): 221419008

約数和(自身を除く): 83127729

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 30347, 91041, 212429, 637287, 940757, 1487003, 2822271, 4461009, 6585299, 19755897, 46097093, 138291279]

約数ペア:

[(1, 138291279), (3, 46097093), (7, 19755897), (21, 6585299), (31, 4461009), (49, 2822271), (93, 1487003), (147, 940757), (217, 637287), (651, 212429), (1519, 91041), (4557, 30347)]