138279309

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4903}}^1$

素因数の和:5009

約数の個数: 32

約数和(自身を含む): 225976320

約数和(自身を除く): 87697011

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 1343, 1659, 4029, 4903, 9401, 14709, 28203, 34321, 83351, 102963, 250053, 387337, 583457, 1162011, 1750371, 2711359, 6584729, 8134077, 19754187, 46093103, 138279309]

約数ペア:

[(1, 138279309), (3, 46093103), (7, 19754187), (17, 8134077), (21, 6584729), (51, 2711359), (79, 1750371), (119, 1162011), (237, 583457), (357, 387337), (553, 250053), (1343, 102963), (1659, 83351), (4029, 34321), (4903, 28203), (9401, 14709)]