208889109

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1607}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 358210944

約数和(自身を除く): 149321835

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 101, 117, 143, 303, 429, 909, 1111, 1287, 1313, 1607, 3333, 3939, 4821, 9999, 11817, 14443, 14463, 17677, 20891, 43329, 53031, 62673, 129987, 159093, 162307, 188019, 229801, 486921, 689403, 1460763, 1785377, 2068209, 2109991, 5356131, 6329973, 16068393, 18989919, 23209901, 69629703, 208889109]

約数ペア:

[(1, 208889109), (3, 69629703), (9, 23209901), (11, 18989919), (13, 16068393), (33, 6329973), (39, 5356131), (99, 2109991), (101, 2068209), (117, 1785377), (143, 1460763), (303, 689403), (429, 486921), (909, 229801), (1111, 188019), (1287, 162307), (1313, 159093), (1607, 129987), (3333, 62673), (3939, 53031), (4821, 43329), (9999, 20891), (11817, 17677), (14443, 14463)]