15671313

素因数分解:

$3^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 56

約数和(自身を含む): 27910848

約数和(自身を除く): 12239535

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 83, 111, 189, 243, 249, 259, 333, 567, 581, 729, 747, 777, 999, 1701, 1743, 2241, 2331, 2997, 3071, 5103, 5229, 6723, 6993, 8991, 9213, 15687, 20169, 20979, 21497, 26973, 27639, 47061, 60507, 62937, 64491, 82917, 141183, 188811, 193473, 248751, 423549, 580419, 746253, 1741257, 2238759, 5223771, 15671313]

約数ペア:

[(1, 15671313), (3, 5223771), (7, 2238759), (9, 1741257), (21, 746253), (27, 580419), (37, 423549), (63, 248751), (81, 193473), (83, 188811), (111, 141183), (189, 82917), (243, 64491), (249, 62937), (259, 60507), (333, 47061), (567, 27639), (581, 26973), (729, 21497), (747, 20979), (777, 20169), (999, 15687), (1701, 9213), (1743, 8991), (2241, 6993), (2331, 6723), (2997, 5229), (3071, 5103)]