71851455

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4549}}^1$

素因数の和:4582

約数の個数: 48

約数和(自身を含む): 139120800

約数和(自身を除く): 67269345

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1755, 3159, 4549, 5265, 13647, 15795, 22745, 40941, 59137, 68235, 122823, 177411, 204705, 295685, 368469, 532233, 614115, 887055, 1105407, 1596699, 1842345, 2661165, 4790097, 5527035, 7983495, 14370291, 23950485, 71851455]

約数ペア:

[(1, 71851455), (3, 23950485), (5, 14370291), (9, 7983495), (13, 5527035), (15, 4790097), (27, 2661165), (39, 1842345), (45, 1596699), (65, 1105407), (81, 887055), (117, 614115), (135, 532233), (195, 368469), (243, 295685), (351, 204705), (405, 177411), (585, 122823), (1053, 68235), (1215, 59137), (1755, 40941), (3159, 22745), (4549, 15795), (5265, 13647)]