643852077

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{853}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 951834240

約数和(自身を除く): 307982163

約数列:

[1, 3, 11, 33, 89, 257, 267, 771, 853, 979, 2559, 2827, 2937, 8481, 9383, 22873, 28149, 68619, 75917, 219221, 227751, 251603, 657663, 754809, 835087, 2411431, 2505261, 7234293, 19510669, 58532007, 214617359, 643852077]

約数ペア:

[(1, 643852077), (3, 214617359), (11, 58532007), (33, 19510669), (89, 7234293), (257, 2505261), (267, 2411431), (771, 835087), (853, 754809), (979, 657663), (2559, 251603), (2827, 227751), (2937, 219221), (8481, 75917), (9383, 68619), (22873, 28149)]