219635307

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 56

約数和(自身を含む): 352295760

約数和(自身を除く): 132660453

約数列:

[1, 3, 9, 19, 27, 57, 81, 101, 157, 171, 243, 303, 471, 513, 729, 909, 1413, 1539, 1919, 2727, 2983, 4239, 4617, 5757, 8181, 8949, 12717, 13851, 15857, 17271, 24543, 26847, 38151, 47571, 51813, 73629, 80541, 114453, 142713, 155439, 241623, 301283, 428139, 466317, 724869, 903849, 1284417, 1398951, 2174607, 2711547, 3853251, 8134641, 11559753, 24403923, 73211769, 219635307]

約数ペア:

[(1, 219635307), (3, 73211769), (9, 24403923), (19, 11559753), (27, 8134641), (57, 3853251), (81, 2711547), (101, 2174607), (157, 1398951), (171, 1284417), (243, 903849), (303, 724869), (471, 466317), (513, 428139), (729, 301283), (909, 241623), (1413, 155439), (1539, 142713), (1919, 114453), (2727, 80541), (2983, 73629), (4239, 51813), (4617, 47571), (5757, 38151), (8181, 26847), (8949, 24543), (12717, 17271), (13851, 15857)]