17580225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 33584160

約数和(自身を除く): 16003935

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 73, 75, 95, 169, 195, 219, 247, 285, 325, 365, 475, 507, 741, 845, 949, 975, 1095, 1235, 1387, 1425, 1825, 2535, 2847, 3211, 3705, 4161, 4225, 4745, 5475, 6175, 6935, 9633, 12337, 12675, 14235, 16055, 18031, 18525, 20805, 23725, 34675, 37011, 48165, 54093, 61685, 71175, 80275, 90155, 104025, 185055, 234403, 240825, 270465, 308425, 450775, 703209, 925275, 1172015, 1352325, 3516045, 5860075, 17580225]

約数ペア:

[(1, 17580225), (3, 5860075), (5, 3516045), (13, 1352325), (15, 1172015), (19, 925275), (25, 703209), (39, 450775), (57, 308425), (65, 270465), (73, 240825), (75, 234403), (95, 185055), (169, 104025), (195, 90155), (219, 80275), (247, 71175), (285, 61685), (325, 54093), (365, 48165), (475, 37011), (507, 34675), (741, 23725), (845, 20805), (949, 18525), (975, 18031), (1095, 16055), (1235, 14235), (1387, 12675), (1425, 12337), (1825, 9633), (2535, 6935), (2847, 6175), (3211, 5475), (3705, 4745), (4161, 4225)]