42706287

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 69346368

約数和(自身を除く): 26640081

約数列:

[1, 3, 9, 13, 39, 53, 71, 97, 117, 159, 213, 291, 477, 639, 689, 873, 923, 1261, 2067, 2769, 3763, 3783, 5141, 6201, 6887, 8307, 11289, 11349, 15423, 20661, 33867, 46269, 48919, 61983, 66833, 89531, 146757, 200499, 268593, 365011, 440271, 601497, 805779, 1095033, 3285099, 4745143, 14235429, 42706287]

約数ペア:

[(1, 42706287), (3, 14235429), (9, 4745143), (13, 3285099), (39, 1095033), (53, 805779), (71, 601497), (97, 440271), (117, 365011), (159, 268593), (213, 200499), (291, 146757), (477, 89531), (639, 66833), (689, 61983), (873, 48919), (923, 46269), (1261, 33867), (2067, 20661), (2769, 15423), (3763, 11349), (3783, 11289), (5141, 8307), (6201, 6887)]