15908985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 30326400

約数和(自身を除く): 14417415

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 809, 855, 1035, 1311, 2185, 2427, 3933, 4045, 6555, 7281, 12135, 15371, 18607, 19665, 36405, 46113, 55821, 76855, 93035, 138339, 167463, 230565, 279105, 353533, 691695, 837315, 1060599, 1767665, 3181797, 5302995, 15908985]

約数ペア:

[(1, 15908985), (3, 5302995), (5, 3181797), (9, 1767665), (15, 1060599), (19, 837315), (23, 691695), (45, 353533), (57, 279105), (69, 230565), (95, 167463), (115, 138339), (171, 93035), (207, 76855), (285, 55821), (345, 46113), (437, 36405), (809, 19665), (855, 18607), (1035, 15371), (1311, 12135), (2185, 7281), (2427, 6555), (3933, 4045)]