204553239

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 303160320

約数和(自身を除く): 98607081

約数列:

[1, 3, 11, 33, 89, 257, 267, 271, 771, 813, 979, 2827, 2937, 2981, 8481, 8943, 22873, 24119, 68619, 69647, 72357, 208941, 251603, 265309, 754809, 766117, 795927, 2298351, 6198583, 18595749, 68184413, 204553239]

約数ペア:

[(1, 204553239), (3, 68184413), (11, 18595749), (33, 6198583), (89, 2298351), (257, 795927), (267, 766117), (271, 754809), (771, 265309), (813, 251603), (979, 208941), (2827, 72357), (2937, 69647), (2981, 68619), (8481, 24119), (8943, 22873)]