67671825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 127982880

約数和(自身を除く): 60311055

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 169, 195, 247, 281, 285, 325, 475, 507, 741, 843, 845, 975, 1235, 1405, 1425, 2535, 3211, 3653, 3705, 4215, 4225, 5339, 6175, 7025, 9633, 10959, 12675, 16017, 16055, 18265, 18525, 21075, 26695, 47489, 48165, 54795, 69407, 80085, 80275, 91325, 133475, 142467, 208221, 237445, 240825, 273975, 347035, 400425, 712335, 902291, 1041105, 1187225, 1735175, 2706873, 3561675, 4511455, 5205525, 13534365, 22557275, 67671825]

約数ペア:

[(1, 67671825), (3, 22557275), (5, 13534365), (13, 5205525), (15, 4511455), (19, 3561675), (25, 2706873), (39, 1735175), (57, 1187225), (65, 1041105), (75, 902291), (95, 712335), (169, 400425), (195, 347035), (247, 273975), (281, 240825), (285, 237445), (325, 208221), (475, 142467), (507, 133475), (741, 91325), (843, 80275), (845, 80085), (975, 69407), (1235, 54795), (1405, 48165), (1425, 47489), (2535, 26695), (3211, 21075), (3653, 18525), (3705, 18265), (4215, 16055), (4225, 16017), (5339, 12675), (6175, 10959), (7025, 9633)]