378903825

素因数分解:

$3^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 712155808

約数和(自身を除く): 333251983

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 97, 135, 225, 243, 291, 405, 485, 643, 675, 873, 1215, 1455, 1929, 2025, 2425, 2619, 3215, 4365, 5787, 6075, 7275, 7857, 9645, 13095, 16075, 17361, 21825, 23571, 28935, 39285, 48225, 52083, 62371, 65475, 86805, 117855, 144675, 156249, 187113, 196425, 260415, 311855, 434025, 561339, 589275, 781245, 935565, 1302075, 1559275, 1684017, 2806695, 3906225, 4677825, 5052051, 8420085, 14033475, 15156153, 25260255, 42100425, 75780765, 126301275, 378903825]

約数ペア:

[(1, 378903825), (3, 126301275), (5, 75780765), (9, 42100425), (15, 25260255), (25, 15156153), (27, 14033475), (45, 8420085), (75, 5052051), (81, 4677825), (97, 3906225), (135, 2806695), (225, 1684017), (243, 1559275), (291, 1302075), (405, 935565), (485, 781245), (643, 589275), (675, 561339), (873, 434025), (1215, 311855), (1455, 260415), (1929, 196425), (2025, 187113), (2425, 156249), (2619, 144675), (3215, 117855), (4365, 86805), (5787, 65475), (6075, 62371), (7275, 52083), (7857, 48225), (9645, 39285), (13095, 28935), (16075, 23571), (17361, 21825)]