71439753

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 128378880

約数和(自身を除く): 56939127

約数列:

[1, 3, 7, 11, 19, 21, 33, 41, 57, 77, 123, 133, 209, 231, 287, 397, 399, 451, 627, 779, 861, 1191, 1353, 1463, 2337, 2779, 3157, 4367, 4389, 5453, 7543, 8337, 8569, 9471, 13101, 16277, 16359, 22629, 25707, 30569, 48831, 52801, 59983, 82973, 91707, 113939, 158403, 179047, 179949, 248919, 309263, 341817, 537141, 580811, 927789, 1253329, 1742433, 2164841, 3401893, 3759987, 6494523, 10205679, 23813251, 71439753]

約数ペア:

[(1, 71439753), (3, 23813251), (7, 10205679), (11, 6494523), (19, 3759987), (21, 3401893), (33, 2164841), (41, 1742433), (57, 1253329), (77, 927789), (123, 580811), (133, 537141), (209, 341817), (231, 309263), (287, 248919), (397, 179949), (399, 179047), (451, 158403), (627, 113939), (779, 91707), (861, 82973), (1191, 59983), (1353, 52801), (1463, 48831), (2337, 30569), (2779, 25707), (3157, 22629), (4367, 16359), (4389, 16277), (5453, 13101), (7543, 9471), (8337, 8569)]