687029691

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 972518400

約数和(自身を除く): 285488709

約数列:

[1, 3, 29, 47, 87, 141, 401, 419, 1203, 1257, 1363, 4089, 11629, 12151, 18847, 19693, 34887, 36453, 56541, 59079, 168019, 504057, 546563, 571097, 1639689, 1713291, 4872551, 7896893, 14617653, 23690679, 229009897, 687029691]

約数ペア:

[(1, 687029691), (3, 229009897), (29, 23690679), (47, 14617653), (87, 7896893), (141, 4872551), (401, 1713291), (419, 1639689), (1203, 571097), (1257, 546563), (1363, 504057), (4089, 168019), (11629, 59079), (12151, 56541), (18847, 36453), (19693, 34887)]