7551495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 15713280

約数和(自身を除く): 8161785

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 105, 131, 135, 183, 189, 305, 315, 393, 427, 549, 655, 915, 917, 945, 1179, 1281, 1647, 1965, 2135, 2745, 2751, 3537, 3843, 4585, 5895, 6405, 7991, 8235, 8253, 11529, 13755, 17685, 19215, 23973, 24759, 39955, 41265, 55937, 57645, 71919, 119865, 123795, 167811, 215757, 279685, 359595, 503433, 839055, 1078785, 1510299, 2517165, 7551495]

約数ペア:

[(1, 7551495), (3, 2517165), (5, 1510299), (7, 1078785), (9, 839055), (15, 503433), (21, 359595), (27, 279685), (35, 215757), (45, 167811), (61, 123795), (63, 119865), (105, 71919), (131, 57645), (135, 55937), (183, 41265), (189, 39955), (305, 24759), (315, 23973), (393, 19215), (427, 17685), (549, 13755), (655, 11529), (915, 8253), (917, 8235), (945, 7991), (1179, 6405), (1281, 5895), (1647, 4585), (1965, 3843), (2135, 3537), (2745, 2751)]