30996861

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 50944320

約数和(自身を除く): 19947459

約数列:

[1, 3, 7, 21, 37, 41, 49, 111, 123, 139, 147, 259, 287, 417, 777, 861, 973, 1517, 1813, 2009, 2919, 4551, 5143, 5439, 5699, 6027, 6811, 10619, 15429, 17097, 20433, 31857, 36001, 39893, 74333, 108003, 119679, 210863, 222999, 252007, 279251, 632589, 756021, 837753, 1476041, 4428123, 10332287, 30996861]

約数ペア:

[(1, 30996861), (3, 10332287), (7, 4428123), (21, 1476041), (37, 837753), (41, 756021), (49, 632589), (111, 279251), (123, 252007), (139, 222999), (147, 210863), (259, 119679), (287, 108003), (417, 74333), (777, 39893), (861, 36001), (973, 31857), (1517, 20433), (1813, 17097), (2009, 15429), (2919, 10619), (4551, 6811), (5143, 6027), (5439, 5699)]