2100910203

素因数分解:

$3^6\times 7^1\times {\mathrm{541}}^1\times {\mathrm{761}}^1$

素因数の和:1327

約数の個数: 56

約数和(自身を含む): 3611306976

約数和(自身を除く): 1510396773

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 541, 567, 729, 761, 1623, 1701, 2283, 3787, 4869, 5103, 5327, 6849, 11361, 14607, 15981, 20547, 34083, 43821, 47943, 61641, 102249, 131463, 143829, 184923, 306747, 394389, 411701, 431487, 554769, 920241, 1235103, 1294461, 2760723, 2881907, 3705309, 3883383, 8645721, 11115927, 25937163, 33347781, 77811489, 100043343, 233434467, 300130029, 700303401, 2100910203]

約数ペア:

[(1, 2100910203), (3, 700303401), (7, 300130029), (9, 233434467), (21, 100043343), (27, 77811489), (63, 33347781), (81, 25937163), (189, 11115927), (243, 8645721), (541, 3883383), (567, 3705309), (729, 2881907), (761, 2760723), (1623, 1294461), (1701, 1235103), (2283, 920241), (3787, 554769), (4869, 431487), (5103, 411701), (5327, 394389), (6849, 306747), (11361, 184923), (14607, 143829), (15981, 131463), (20547, 102249), (34083, 61641), (43821, 47943)]