215177805

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1823}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 388118016

約数和(自身を除く): 172940211

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 183, 215, 305, 387, 549, 645, 915, 1823, 1935, 2623, 2745, 5469, 7869, 9115, 13115, 16407, 23607, 27345, 39345, 78389, 82035, 111203, 118035, 235167, 333609, 391945, 556015, 705501, 1000827, 1175835, 1668045, 3527505, 4781729, 5004135, 14345187, 23908645, 43035561, 71725935, 215177805]

約数ペア:

[(1, 215177805), (3, 71725935), (5, 43035561), (9, 23908645), (15, 14345187), (43, 5004135), (45, 4781729), (61, 3527505), (129, 1668045), (183, 1175835), (215, 1000827), (305, 705501), (387, 556015), (549, 391945), (645, 333609), (915, 235167), (1823, 118035), (1935, 111203), (2623, 82035), (2745, 78389), (5469, 39345), (7869, 27345), (9115, 23607), (13115, 16407)]