668049417

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{13043}}^1$

素因数の和:13330

約数の個数: 32

約数和(自身を含む): 1135349760

約数和(自身を除く): 467300343

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 813, 1897, 2439, 5691, 7317, 13043, 17073, 39129, 51219, 91301, 117387, 273903, 352161, 821709, 2465127, 3534653, 10603959, 24742571, 31811877, 74227713, 95435631, 222683139, 668049417]

約数ペア:

[(1, 668049417), (3, 222683139), (7, 95435631), (9, 74227713), (21, 31811877), (27, 24742571), (63, 10603959), (189, 3534653), (271, 2465127), (813, 821709), (1897, 352161), (2439, 273903), (5691, 117387), (7317, 91301), (13043, 51219), (17073, 39129)]