7728345

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 15206400

約数和(自身を除く): 7478055

約数列:

[1, 3, 5, 9, 15, 19, 23, 27, 45, 57, 69, 95, 115, 131, 135, 171, 207, 285, 345, 393, 437, 513, 621, 655, 855, 1035, 1179, 1311, 1965, 2185, 2489, 2565, 3013, 3105, 3537, 3933, 5895, 6555, 7467, 9039, 11799, 12445, 15065, 17685, 19665, 22401, 27117, 37335, 45195, 57247, 58995, 67203, 81351, 112005, 135585, 171741, 286235, 336015, 406755, 515223, 858705, 1545669, 2576115, 7728345]

約数ペア:

[(1, 7728345), (3, 2576115), (5, 1545669), (9, 858705), (15, 515223), (19, 406755), (23, 336015), (27, 286235), (45, 171741), (57, 135585), (69, 112005), (95, 81351), (115, 67203), (131, 58995), (135, 57247), (171, 45195), (207, 37335), (285, 27117), (345, 22401), (393, 19665), (437, 17685), (513, 15065), (621, 12445), (655, 11799), (855, 9039), (1035, 7467), (1179, 6555), (1311, 5895), (1965, 3933), (2185, 3537), (2489, 3105), (2565, 3013)]