15120861

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3547}}^1$

素因数の和:3593

約数の個数: 24

約数和(自身を含む): 24268320

約数和(自身を除く): 9147459

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 3547, 4263, 10641, 24829, 74487, 102863, 173803, 308589, 521409, 720041, 2160123, 5040287, 15120861]

約数ペア:

[(1, 15120861), (3, 5040287), (7, 2160123), (21, 720041), (29, 521409), (49, 308589), (87, 173803), (147, 102863), (203, 74487), (609, 24829), (1421, 10641), (3547, 4263)]