39640365

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 73457280

約数和(自身を除く): 33816915

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 213, 285, 355, 639, 653, 855, 1065, 1349, 1959, 3195, 3265, 4047, 5877, 6745, 9795, 12141, 12407, 20235, 29385, 37221, 46363, 60705, 62035, 111663, 139089, 186105, 231815, 417267, 558315, 695445, 880897, 2086335, 2642691, 4404485, 7928073, 13213455, 39640365]

約数ペア:

[(1, 39640365), (3, 13213455), (5, 7928073), (9, 4404485), (15, 2642691), (19, 2086335), (45, 880897), (57, 695445), (71, 558315), (95, 417267), (171, 231815), (213, 186105), (285, 139089), (355, 111663), (639, 62035), (653, 60705), (855, 46363), (1065, 37221), (1349, 29385), (1959, 20235), (3195, 12407), (3265, 12141), (4047, 9795), (5877, 6745)]