39286779

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 65664000

約数和(自身を除く): 26377221

約数列:

[1, 3, 7, 17, 21, 49, 51, 79, 119, 147, 199, 237, 357, 553, 597, 833, 1343, 1393, 1659, 2499, 3383, 3871, 4029, 4179, 9401, 9751, 10149, 11613, 15721, 23681, 28203, 29253, 47163, 65807, 71043, 110047, 165767, 197421, 267257, 330141, 497301, 770329, 801771, 1870799, 2310987, 5612397, 13095593, 39286779]

約数ペア:

[(1, 39286779), (3, 13095593), (7, 5612397), (17, 2310987), (21, 1870799), (49, 801771), (51, 770329), (79, 497301), (119, 330141), (147, 267257), (199, 197421), (237, 165767), (357, 110047), (553, 71043), (597, 65807), (833, 47163), (1343, 29253), (1393, 28203), (1659, 23681), (2499, 15721), (3383, 11613), (3871, 10149), (4029, 9751), (4179, 9401)]