42709779

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 73993920

約数和(自身を除く): 31284141

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 97, 203, 241, 261, 291, 609, 679, 723, 873, 1687, 1827, 2037, 2169, 2813, 5061, 6111, 6989, 8439, 15183, 19691, 20967, 23377, 25317, 48923, 59073, 62901, 70131, 146769, 163639, 177219, 210393, 440307, 490917, 677933, 1472751, 2033799, 4745531, 6101397, 14236593, 42709779]

約数ペア:

[(1, 42709779), (3, 14236593), (7, 6101397), (9, 4745531), (21, 2033799), (29, 1472751), (63, 677933), (87, 490917), (97, 440307), (203, 210393), (241, 177219), (261, 163639), (291, 146769), (609, 70131), (679, 62901), (723, 59073), (873, 48923), (1687, 25317), (1827, 23377), (2037, 20967), (2169, 19691), (2813, 15183), (5061, 8439), (6111, 6989)]