139331395

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{2153}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 195721056

約数和(自身を除く): 56389661

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 1849, 2153, 9245, 10765, 12943, 15071, 64715, 75355, 92579, 462895, 648053, 3240265, 3980897, 19904485, 27866279, 139331395]

約数ペア:

[(1, 139331395), (5, 27866279), (7, 19904485), (35, 3980897), (43, 3240265), (215, 648053), (301, 462895), (1505, 92579), (1849, 75355), (2153, 64715), (9245, 15071), (10765, 12943)]