199120815

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 369532800

約数和(自身を除く): 170411985

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 181, 261, 281, 435, 543, 783, 843, 905, 1305, 1405, 1629, 2529, 2715, 3915, 4215, 4887, 5249, 7587, 8145, 8149, 12645, 15747, 24435, 24447, 26245, 37935, 40745, 47241, 50861, 73341, 78735, 122235, 141723, 152583, 220023, 236205, 254305, 366705, 457749, 708615, 762915, 1100115, 1373247, 1474969, 2288745, 4424907, 6866235, 7374845, 13274721, 22124535, 39824163, 66373605, 199120815]

約数ペア:

[(1, 199120815), (3, 66373605), (5, 39824163), (9, 22124535), (15, 13274721), (27, 7374845), (29, 6866235), (45, 4424907), (87, 2288745), (135, 1474969), (145, 1373247), (181, 1100115), (261, 762915), (281, 708615), (435, 457749), (543, 366705), (783, 254305), (843, 236205), (905, 220023), (1305, 152583), (1405, 141723), (1629, 122235), (2529, 78735), (2715, 73341), (3915, 50861), (4215, 47241), (4887, 40745), (5249, 37935), (7587, 26245), (8145, 24447), (8149, 24435), (12645, 15747)]