218156955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{1447}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 384357120

約数和(自身を除く): 166200165

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 529, 1311, 1447, 1587, 2185, 2645, 4341, 6555, 7235, 7935, 10051, 21705, 27493, 30153, 33281, 50255, 82479, 99843, 137465, 150765, 166405, 412395, 499215, 632339, 765463, 1897017, 2296389, 3161695, 3827315, 9485085, 11481945, 14543797, 43631391, 72718985, 218156955]

約数ペア:

[(1, 218156955), (3, 72718985), (5, 43631391), (15, 14543797), (19, 11481945), (23, 9485085), (57, 3827315), (69, 3161695), (95, 2296389), (115, 1897017), (285, 765463), (345, 632339), (437, 499215), (529, 412395), (1311, 166405), (1447, 150765), (1587, 137465), (2185, 99843), (2645, 82479), (4341, 50255), (6555, 33281), (7235, 30153), (7935, 27493), (10051, 21705)]