2051799981

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{1399}}^1$

素因数の和:2334

約数の個数: 48

約数和(自身を含む): 3478003200

約数和(自身を除く): 1426203219

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 907, 1399, 1617, 2721, 4197, 6349, 9793, 9977, 15389, 19047, 29379, 29931, 44443, 46167, 68551, 69839, 107723, 133329, 205653, 209517, 323169, 488873, 754061, 1268893, 1466619, 2262183, 3806679, 8882251, 13957823, 26646753, 41873469, 62175757, 97704761, 186527271, 293114283, 683933327, 2051799981]

約数ペア:

[(1, 2051799981), (3, 683933327), (7, 293114283), (11, 186527271), (21, 97704761), (33, 62175757), (49, 41873469), (77, 26646753), (147, 13957823), (231, 8882251), (539, 3806679), (907, 2262183), (1399, 1466619), (1617, 1268893), (2721, 754061), (4197, 488873), (6349, 323169), (9793, 209517), (9977, 205653), (15389, 133329), (19047, 107723), (29379, 69839), (29931, 68551), (44443, 46167)]