2013806781

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{1657}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 3376908288

約数和(自身を除く): 1363101507

約数列:

[1, 3, 7, 9, 21, 63, 101, 191, 303, 573, 707, 909, 1337, 1657, 1719, 2121, 4011, 4971, 6363, 11599, 12033, 14913, 19291, 34797, 57873, 104391, 135037, 167357, 173619, 316487, 405111, 502071, 949461, 1171499, 1215333, 1506213, 2215409, 2848383, 3514497, 6646227, 10543491, 19938681, 31965187, 95895561, 223756309, 287686683, 671268927, 2013806781]

約数ペア:

[(1, 2013806781), (3, 671268927), (7, 287686683), (9, 223756309), (21, 95895561), (63, 31965187), (101, 19938681), (191, 10543491), (303, 6646227), (573, 3514497), (707, 2848383), (909, 2215409), (1337, 1506213), (1657, 1215333), (1719, 1171499), (2121, 949461), (4011, 502071), (4971, 405111), (6363, 316487), (11599, 173619), (12033, 167357), (14913, 135037), (19291, 104391), (34797, 57873)]