71380263

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 104315904

約数和(自身を除く): 32935641

約数列:

[1, 3, 17, 47, 51, 97, 141, 291, 307, 799, 921, 1649, 2397, 4559, 4947, 5219, 13677, 14429, 15657, 29779, 43287, 77503, 89337, 232509, 245293, 506243, 735879, 1399613, 1518729, 4198839, 23793421, 71380263]

約数ペア:

[(1, 71380263), (3, 23793421), (17, 4198839), (47, 1518729), (51, 1399613), (97, 735879), (141, 506243), (291, 245293), (307, 232509), (799, 89337), (921, 77503), (1649, 43287), (2397, 29779), (4559, 15657), (4947, 14429), (5219, 13677)]